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Windows Server 2022

2690 CVEs product

Monthly

CVE-2026-58635 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Narrator (the built-in screen reader) arises from improper neutralization of special elements in its Braille support component, allowing an already-authenticated local attacker (PR:L) to inject and execute OS commands that run with elevated privileges. All supported Windows client and server builds from Windows 10 1809 through Windows 11 26H1 and Windows Server 2019-2025 are affected, and Microsoft has released a patch. There is no public exploit identified at time of analysis and the CVE is not in CISA KEV, so exploitation is not confirmed as active.

Microsoft Command Injection Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +8
NVD
CVSS 3.1
7.8
EPSS
0.5%
CVE-2026-58614 MEDIUM PATCH This Month

Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.

Buffer Overflow Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
5.5
EPSS
0.3%
CVE-2026-58610 HIGH PATCH This Week

Local code execution in Microsoft Windows Media Foundation lets an attacker run arbitrary code in the context of the victim after luring them to open a maliciously crafted media file. The flaw (CVE-2026-58610, CWE-122 heap-based buffer overflow) affects a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. CVSS is 7.8 (AV:L/AC:L/PR:N/UI:R) with full confidentiality, integrity, and availability impact; there is no public exploit identified at time of analysis and it is not on CISA KEV.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-58609 HIGH PATCH This Week

Local code execution in the Microsoft Graphics Component affects a broad range of supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). An attacker who convinces a user to open a specially crafted file or content triggers an out-of-bounds read (CWE-125) that Microsoft rates as enabling code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; exploitation requires local access plus user interaction, making it a standard patch-cycle priority rather than an emergency.

Buffer Overflow Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-58608 HIGH PATCH NEWS Exploit Unlikely This Week

Network code execution in the Windows Print Spooler service allows an authenticated attacker to win a synchronization race and run arbitrary code across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Microsoft rates it CVSS 8.8 with high confidentiality, integrity, and availability impact; a vendor patch is available, and there is no public exploit identified at time of analysis. Note that the CVE description and CVSS indicate remote code execution while the source tags label it 'Information Disclosure' — a discrepancy defenders should verify against the MSRC advisory.

Microsoft Race Condition Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.8
EPSS
0.5%
CVE-2026-58601 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Virtual Hard Disk (VHD) Miniport Driver lets an authenticated low-privileged user corrupt kernel heap memory and gain SYSTEM-level control. The flaw (CWE-122 heap-based buffer overflow, CVSS 7.8) affects a broad range of Windows 10, Windows 11, and Windows Server builds and was reported by Microsoft. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +12
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-58526 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows arises from a use-after-free flaw (CWE-416) in the Windows Storage component, affecting Windows 10 (1809, 21H2, 22H2), Windows 11 (24H2, 25H2, 26H1), and Windows Server 2019/2022/2025. An authorized attacker who already has low-level access to a machine can trigger the freed-memory reuse to elevate to higher privileges (CVSS 7.0, high attack complexity). Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1809 +10
NVD
CVSS 3.1
7.0
EPSS
0.1%
CVE-2026-57979 MEDIUM PATCH Exploit Unlikely This Month

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

Buffer Overflow Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +14
NVD
CVSS 3.1
6.5
EPSS
0.7%
CVE-2026-57976 MEDIUM PATCH Exploit Unlikely This Month

Null pointer dereference in Windows Active Directory Domain Services (AD DS) enables a low-privileged authenticated attacker to crash the service remotely, causing denial of service across the affected domain. The flaw spans a wide range of Windows client and server releases, from Windows 10 version 1607 through Windows 11 version 26H1 and Windows Server 2012 through 2025. No public exploit code has been identified and this vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog at time of analysis, though the network-accessible attack surface and low privilege requirement lower the bar for abuse in environments with broad domain user access.

Denial Of Service Null Pointer Dereference Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
6.5
EPSS
0.8%
CVE-2026-57097 MEDIUM PATCH Exploit Unlikely This Month

Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.

Authentication Bypass Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
6.4
EPSS
0.2%
CVE-2026-54127 HIGH PATCH NEWS Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Hyper-V (Windows 11 24H2/25H2/26H1 and Windows Server 2022/2025) stems from a use-after-free memory-corruption condition that lets an attacker with a local foothold execute code at elevated, potentially SYSTEM/hypervisor-level privilege. Microsoft rates it CVSS 8.4 with total confidentiality, integrity, and availability impact, and there is no public exploit identified at time of analysis. EPSS is low (0.24%, 16th percentile) and CISA SSVC lists exploitation status as none, so this is a high-severity patch-on-cycle item rather than an actively exploited emergency.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 11 Version 24H2 +5
NVD
CVSS 3.1
8.4
EPSS
0.2%
CVE-2026-50694 CRITICAL PATCH NEWS Act Now

Remote code execution in Microsoft Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized network attacker to run arbitrary code by triggering a use-after-free (CWE-416) memory-corruption condition. The flaw affects a broad range of Windows client and server releases from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025, and per its CVSS 9.8 vector requires no authentication or user interaction. There is no public exploit identified at time of analysis, and the EPSS probability is modest (0.61%), so despite the critical score exploitation is not yet observed.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1607 +17
NVD
CVSS 3.1
9.8
EPSS
0.6%
CVE-2026-56155 HIGH POC KEV PATCH THREAT Exploited Act Now

Local privilege escalation in Microsoft Active Directory Federation Services (AD FS) lets an already-authenticated low-privileged user on the host gain higher privileges due to insufficient granularity of access control (CWE-1220). Affected deployments span AD FS on Windows Server 2012 through Windows Server 2025, and the flaw carries a CVSS 7.8 with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-priority-driven rather than exploitation-driven risk.

Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows Server 2012 Windows Server 2012 Server Core Installation +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.4%
Threat
4.6
CVE-2026-55144 HIGH PATCH This Week

Local tampering in Windows CryptoAPI (Crypt32) on Windows 11 (24H2/25H2/26H1) and Windows Server 2022/2025 stems from a missing cryptographic step, letting an authenticated local attacker undermine the integrity and confidentiality of cryptographically protected data. Microsoft rates it 7.1 (High) with high confidentiality and integrity impact; there is no public exploit identified at time of analysis and it is not on the CISA KEV list. A vendor patch is available through the MSRC update guide.

Microsoft Information Disclosure Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 Version 26H1 +3
NVD
CVSS 3.1
7.1
EPSS
0.2%
CVE-2026-54122 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows GDI+ (the graphics rendering component) via a heap-based buffer overflow (CWE-122), affecting a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Server 2012 through Server 2025. Per the supplied CVSS vector (PR:N), an unauthorized attacker who gets the vulnerable component to process crafted graphics data can achieve high-impact code execution (C:H/I:H/A:H) on the local system. Microsoft has published a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.4
EPSS
0.3%
CVE-2026-54995 HIGH PATCH NEWS This Week

Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated network attacker trigger a use-after-free (CWE-416) and run arbitrary code on a broad range of Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rated CVSS 8.1, the flaw carries high impact to confidentiality, integrity, and availability but requires winning a race condition (AC:H), and no public exploit identified at time of analysis. Reported by Microsoft with a vendor patch available.

Use After Free Memory Corruption Denial Of Service Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.1
EPSS
0.6%
CVE-2026-55003 MEDIUM PATCH This Month

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
6.5
EPSS
0.7%
CVE-2026-54999 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in the Microsoft Windows TCP/IP networking stack allows an unauthenticated attacker on the same physical or logical network segment to win a race condition and run arbitrary code on the target. The flaw spans a broad range of desktop and server builds from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, but Microsoft has confirmed the issue and shipped a patch, and the high CVSS (8.8) plus network-facing kernel component make it a priority to remediate.

Authentication Bypass Microsoft Race Condition Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.8
EPSS
0.3%
CVE-2026-54997 MEDIUM PATCH This Month

Information disclosure via uninitialized memory in the Windows SMB driver stack affects a broad range of Windows 10, Windows 11, and Windows Server versions. A locally authenticated, low-privileged attacker can trigger a code path that reads from uninitialized memory within the SMB subsystem, potentially leaking sensitive kernel or heap memory contents. No public exploit code or active exploitation has been identified at the time of analysis; Microsoft has released a patch via MSRC.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
5.5
EPSS
0.3%
CVE-2026-54119 HIGH PATCH This Week

Denial of service in Windows Active Directory (spanning Windows 10, Windows 11, and Windows Server 2012 through 2025) lets a remote, unauthenticated attacker send crafted network traffic that drives an AD service into an infinite loop, exhausting CPU and rendering domain services unavailable. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N with high availability impact and no confidentiality or integrity loss, this is a pure availability threat against domain controllers. Microsoft has released a patch; there is no public exploit identified at time of analysis and no CISA KEV listing.

Microsoft Denial Of Service Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
7.5
EPSS
0.8%
CVE-2026-54114 HIGH PATCH Exploit Likely This Week

Local privilege escalation in Microsoft Windows Win32K (the kernel-mode GUI subsystem) allows an authenticated local user to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory corruption condition. The flaw affects a broad range of supported builds spanning Windows 10 1809 through Windows 11 26H1 and Windows Server 2019 through 2025, including Server Core installations. Microsoft has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1809 +10
NVD
CVSS 3.1
7.8
EPSS
1.7%
CVE-2026-54982 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated attacker on the same network segment run arbitrary code by triggering an integer underflow (CWE-191) during multicast message processing. All supported Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1 are affected. There is no public exploit identified at time of analysis, but the CVSS 8.8 adjacent-network unauthenticated profile and Microsoft's own reporting make this a high-priority patch.

Authentication Bypass Integer Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
8.8
EPSS
0.4%
CVE-2026-54109 HIGH PATCH This Week

Local privilege escalation to code execution in the Windows Resilient File System (ReFS) driver affects a broad range of Windows 10/11 and Windows Server 2016 through 2025 releases, where an integer overflow (CWE-190) in filesystem processing lets an already-authenticated local user run arbitrary code in an elevated context. The CVSS 3.1 vector (AV:L/PR:L) confirms low-privileged local access is required rather than remote exploitation, and there is no public exploit identified at time of analysis. Microsoft has released a patch via MSRC.

Buffer Overflow Microsoft Integer Overflow Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-54992 HIGH POC PATCH NEWS Exploit Likely This Week

Local code execution in the Microsoft Message Queuing (MSMQ) Queue Manager affects a broad range of Windows client and server releases from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A heap-based buffer overflow (CWE-122) lets an attacker who can reach the local MSMQ service run arbitrary code with high confidentiality, integrity, and availability impact; the CVSS 3.1 base score is 8.4 with a local attack vector but no privileges or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the vendor (Microsoft) has released a patch.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.4
EPSS
0.4%
CVE-2026-55004 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Printer Drivers component across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025 lets an already-authenticated attacker corrupt kernel-adjacent memory to gain higher privileges. The flaw is a double free (CWE-415) triggered locally by a low-privileged user, yielding high confidentiality, integrity, and availability impact (CVSS 7.8). No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-54112 HIGH PATCH This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated attacker to win a race condition (CWE-362) and elevate to SYSTEM-level privileges across supported Windows 10, Windows 11, and Windows Server 2019-2025 builds. Reported by Microsoft with a vendor patch available; there is no public exploit identified at time of analysis and EPSS is low (0.16%, 5th percentile). CVSS 7.0 reflects high attack complexity (AC:H) driven by the timing-window nature of the flaw and the requirement for existing low-privilege access (PR:L).

Microsoft Race Condition Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 +9
NVD
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-55001 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Active Directory certificate-validation path lets an already-authenticated attacker on Windows 10 (1607/1809) and Windows Server 2016 through 2025 (including Server Core) improperly validate a certificate to gain higher privileges. Microsoft reported and patched the flaw (CWE-295), but there is no public exploit identified at time of analysis and it is not on CISA KEV. The CVSS 7.8 vector (AV:L/PR:L) confirms an authenticated local attacker with full confidentiality, integrity, and availability impact upon success.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows Server 2016 +6
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-54993 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows Media Foundation lets an unauthorized attacker run arbitrary code by luring a user into opening a specially crafted media file. The flaw affects a broad range of Windows 10, Windows 11, and Windows Server builds (from 1809 through Windows 11 26H1 and Server 2025), and Microsoft has released patches. No public exploit identified at time of analysis, but the low attack complexity and full C/I/A impact make it a standard Patch-Tuesday priority.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1809 Windows 10 Version 21H2 +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-54986 HIGH PATCH Exploit Likely This Week

Local privilege escalation in Microsoft Windows Win32K (the kernel-mode GUI subsystem) lets an already-authenticated low-privilege user corrupt kernel heap memory via a heap-based buffer overflow (CWE-122) to gain SYSTEM-level control. The flaw affects a broad range of client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025). Microsoft has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
7.8
EPSS
1.7%
CVE-2026-54107 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an authenticated low-privileged user to win a race condition and elevate to SYSTEM across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available, it carries CVSS 7.0 but a high attack complexity (AC:H) reflecting the timing-sensitive nature of the flaw. There is no public exploit identified at time of analysis, and EPSS is low (0.19%, 9th percentile), consistent with CISA SSVC rating exploitation as 'none.'

Microsoft Race Condition Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-50697 HIGH PATCH This Week

Local privilege escalation in the Windows Common Log File System (CLFS) Driver allows an already-authenticated, low-privileged user to elevate to SYSTEM on a wide range of Windows client and server releases. Microsoft classifies the root cause as exposure of sensitive information (CWE-200), but the CVSS impact profile (C:H/I:H/A:H) reflects that the leaked kernel data enables full local privilege escalation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though CLFS has historically been a heavily exploited elevation-of-privilege target in Windows.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-50696 HIGH PATCH This Week

Network denial of service in the Windows Internet Key Exchange (IKE) protocol implementation allows an unauthenticated remote attacker to crash affected systems by triggering a heap-based buffer overflow. All impact is to availability only (CVSS 7.5, A:H, no confidentiality or integrity loss), making this a reliability/uptime threat against IPsec/VPN-facing Windows 10, Windows 11, and Windows Server hosts rather than a code-execution vulnerability. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the low attack complexity and lack of authentication make it a meaningful patching priority for internet-exposed IPsec endpoints.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1809 Windows 10 Version 21H2 +9
NVD
CVSS 3.1
7.5
EPSS
0.8%
CVE-2026-54987 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Overlay Filter (WOF) driver allows an authenticated low-privileged user to elevate to SYSTEM by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through Server 2025. Microsoft has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +14
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-54989 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows Quality Windows Audio/Video Experience (QWAVE) service lets an already-authenticated, low-privileged user elevate to higher privileges by exploiting a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.0 (AV:L/AC:H/PR:L).

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1607 +17
NVD VulDB
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-54129 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Hyper-V (CWE-416 use-after-free) allows an authenticated attacker already running low-privileged code on an affected host to elevate to higher privileges, with full confidentiality, integrity, and availability impact. Reported by Microsoft and affecting a broad range of Windows 10, Windows 11, and Windows Server builds including Server 2019/2022/2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1809 +10
NVD
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-50695 HIGH PATCH This Week

Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash the service by triggering a stack-based buffer overflow over the network (CVSS 7.5, availability-only impact). Because AD FS brokers single sign-on and federated authentication, a successful attack can knock out login for every downstream application that relies on it. No public exploit has been identified at time of analysis, and it is not listed in CISA KEV.

Buffer Overflow Stack Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
7.5
EPSS
0.8%
CVE-2026-54983 HIGH PATCH This Week

Denial of service in Microsoft Active Directory Federation Services (AD FS) lets a remote, unauthenticated attacker crash the service by triggering a stack-based buffer overflow (CWE-121) over the network. The flaw affects AD FS as shipped across a broad range of Windows client and server builds (Windows 10/11 and Windows Server 2012 through 2025). Microsoft - the reporting party - has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Buffer Overflow Stack Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
7.5
EPSS
0.8%
CVE-2026-49784 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows App Store component (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025) allows an authorized low-privileged attacker to win a race condition on an improperly synchronized shared resource and gain higher privileges. Exploitation is local-only and high-complexity because it depends on reliably hitting a narrow timing window, and no public exploit has been identified at time of analysis. A vendor patch is available via Microsoft's MSRC update guide.

Microsoft Race Condition Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-49177 MEDIUM PATCH Exploit Unlikely This Month

Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.

Buffer Overflow Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
5.5
EPSS
0.3%
CVE-2026-49174 MEDIUM PATCH This Month

Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

Authentication Bypass Microsoft Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +8
NVD
CVSS 3.1
6.1
EPSS
0.2%
CVE-2026-49172 CRITICAL PATCH Exploit Unlikely Act Now

Remote code execution in the Microsoft Windows FTP Service allows an unauthenticated network attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122). The flaw affects the FTP service across a broad range of Windows 10, Windows 11, and Windows Server (2019/2022/2025) builds and carries a critical CVSS 9.8 rating with no authentication or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the unauthenticated, network-reachable nature of the bug makes it a high-priority patch target.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +11
NVD VulDB
CVSS 3.1
9.8
EPSS
0.7%
CVE-2026-49175 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows DNS lets an already-authenticated, low-privileged attacker corrupt heap memory to gain higher (likely SYSTEM) privileges on affected Windows 10, Windows 11, and Windows Server 2022/2025 systems. The flaw is a heap-based buffer overflow (CWE-122) reported by Microsoft itself, with a vendor patch available via MSRC. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so it currently represents a patch-priority rather than an emergency.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 21H2 Windows 10 Version 22H2 +6
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-49176 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows WalletService allows an authenticated low-privileged attacker to gain SYSTEM-level rights on the host, per CVSS:3.1 AV:L/AC:L/PR:L (7.8, High). The flaw stems from improper privilege management (CWE-269) in the WalletService component and affects a broad range of Windows client and server builds. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but a vendor patch from Microsoft is available.

Microsoft Privilege Escalation Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +11
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-49171 HIGH PATCH Exploit Unlikely This Week

Local privilege elevation in the Windows Speech component (Text-to-Speech / speech runtime) affects a broad range of Windows 10, Windows 11, and Windows Server releases, where a use-after-free (CWE-416) lets an already-authenticated local user corrupt memory to run code at higher privilege. Exploitation is non-trivial - it requires local access, low-level authentication, user interaction, and winning a memory-timing condition - and the CVSS 7.5 rating reflects a scope-changed, high-impact outcome. There is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV, so this is a patch-on-cycle EoP rather than an emergency.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1607 +13
NVD
CVSS 3.1
7.5
EPSS
0.3%
CVE-2026-49170 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows StateRepository API lets an already-authenticated low-privileged user gain higher (typically SYSTEM-level) privileges due to insufficiently granular access control (CWE-1220). It affects a broad range of currently supported Windows client and server builds (Windows 10 1809 through Windows 11 26H1, and Windows Server 2019/2022/2025). The flaw was reported by Microsoft, a vendor patch is available, and there is no public exploit identified at time of analysis (not listed in CISA KEV).

Microsoft Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +8
NVD
CVSS 3.1
7.8
EPSS
2.5%
CVE-2026-49168 MEDIUM PATCH Exploit Unlikely This Month

Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.

Buffer Overflow Microsoft Integer Overflow Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
6.8
EPSS
0.3%
CVE-2026-49167 MEDIUM PATCH Exploit Unlikely This Month

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1809 +10
NVD
CVSS 3.1
4.7
EPSS
0.3%
CVE-2026-49165 HIGH PATCH Exploit Unlikely This Week

Local information disclosure in the Microsoft Windows App Store (Store/AppX component) affects a broad range of Windows 10, Windows 11, and Windows Server releases (1607 through 26H1, Server 2016/2019/2022/2025). An authorized local attacker can leverage a use of uninitialized resource (CWE-908) to read memory contents that should not be exposed, with CVSS 7.1 reflecting high confidentiality impact but requiring low-privileged authenticated local access. There is no public exploit identified at time of analysis, it is not listed in CISA KEV, and Microsoft has released a patch via the MSRC update guide.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +11
NVD
CVSS 3.1
7.1
EPSS
0.2%
CVE-2026-49164 HIGH PATCH NEWS This Week

Remote code execution in Microsoft Active Directory Domain Services (AD DS) allows an unauthenticated network attacker to corrupt heap memory and run arbitrary code on affected domain controllers. The flaw (CVE-2026-49164, CVSS 8.1) spans a broad range of Windows client and server builds from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025, with full confidentiality, integrity, and availability impact. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the high attack complexity (AC:H) tempers the practical exploitation likelihood.

Heap Overflow Buffer Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +15
NVD
CVSS 3.1
8.1
EPSS
0.6%
CVE-2026-42990 CRITICAL PATCH Act Now

Remote code execution in the Microsoft ODBC Driver for SQL Server (shipped across Windows 10, Windows 11, and Windows Server 2012 through 2025) stems from a heap-based buffer overflow that lets an attacker run arbitrary code over the network. The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) scores it 9.8 and marks it unauthenticated, though as a database driver flaw the realistic trigger is a client connecting to a malicious or compromised SQL Server endpoint. There is no public exploit identified at time of analysis and no CISA KEV listing, so this is a high-severity but not yet actively-exploited issue.

Heap Overflow Buffer Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +16
NVD
CVSS 3.1
9.8
EPSS
0.7%
CVE-2026-42975 HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Windows Bluetooth Port Driver lets an adjacent, unauthenticated attacker corrupt heap memory to run arbitrary code on the target after minimal user interaction. The flaw (CWE-122 heap-based buffer overflow) affects a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025, with full confidentiality, integrity, and availability impact (CVSS 8.0). There is no public exploit identified at time of analysis, but a vendor patch is available from Microsoft.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +16
NVD
CVSS 3.1
8.0
EPSS
0.4%
CVE-2026-42900 HIGH PATCH This Week

Privilege elevation in the Windows App Store component affects a broad range of Microsoft Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025), where a race condition (CWE-362) lets an unauthorized attacker win a timing window to gain elevated privileges over a network. The CVSS 3.1 score is 8.1 with a network vector and no authentication (PR:N), but high attack complexity (AC:H) reflects the difficulty of reliably winning the race. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; a vendor patch is available from Microsoft.

Authentication Bypass Microsoft Race Condition Windows 10 Version 1607 Windows 10 Version 1809 +12
NVD
CVSS 3.1
8.1
EPSS
0.4%
CVE-2026-34346 MEDIUM PATCH Exploit Unlikely This Month

Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +16
NVD VulDB
CVSS 3.1
5.5
EPSS
0.2%
CVE-2026-34349 MEDIUM PATCH This Month

Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.

Microsoft Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +8
NVD VulDB
CVSS 3.1
5.5
EPSS
0.4%
CVE-2026-42982 HIGH PATCH NEWS Exploit Unlikely This Week

Local privilege escalation in Windows Secure Kernel Mode (SKM/VTL1) allows an already-authenticated attacker to elevate to higher privileges on affected Windows 10, Windows 11 (through 26H1), and Windows Server 2016-2025 systems. The flaw stems from improper consistency validation of input crossing the trust boundary into the isolated secure kernel (CWE-1288), yielding full confidentiality, integrity, and availability impact on the local host. Microsoft has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-50508 HIGH PATCH Exploit Likely This Week

Information disclosure in Microsoft Windows NTLM authentication allows remote unauthenticated attackers to obtain sensitive data and conduct network spoofing attacks against affected Windows 10, Windows 11, and Windows Server installations. The flaw carries a CVSS 7.5 (high) rating due to high confidentiality impact with no privileges or user interaction required, though EPSS exploitation probability is low at 0.08% and no public exploit identified at time of analysis. Microsoft has released patches through MSRC for all affected SKUs.

Information Disclosure Microsoft Windows 10 1607 Windows 11 22h2 Windows Server 2004 +3
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-50507 MEDIUM PATCH Exploit Likely This Month

BitLocker's protection mechanism on Windows fails to enforce a critical authentication or verification step, permitting a physically present attacker to bypass full-disk encryption without credentials, a recovery key, or elevated privileges. Despite a CVSS score of 6.8 (Medium) - moderated by the physical access requirement - the impact ratings are High across confidentiality, integrity, and availability, meaning successful exploitation grants complete access to encrypted data and the underlying system. No public exploit has been identified at time of analysis, and Microsoft has released a patch via the MSRC update guide.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
6.8
EPSS
0.1%
CVE-2026-48578 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot enables a local high-privileged attacker to defeat the platform's boot-time integrity protections, achieving high confidentiality and integrity impact across a changed security scope. The flaw stems from a protection mechanism failure (CWE-284, Improper Access Control) that undermines the trust boundary Secure Boot is designed to enforce. At the time of analysis, no public exploit has been identified and the issue is not listed in CISA KEV, but the scope-changed CVSS of 7.9 reflects the severity of subverting a root-of-trust security control.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.1%
CVE-2026-48576 HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot allows a high-privileged local attacker to circumvent the boot integrity protection mechanism, undermining trust in the Windows boot chain. The flaw (CWE-1329, reliance on a component that is not updateable) carries a CVSS 7.9 rating due to scope change and high impact on confidentiality and integrity, and no public exploit has been identified at time of analysis. Successful exploitation could enable pre-OS persistence such as bootkits, defeating a foundational Windows security control.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.3%
CVE-2026-48573 HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass in Microsoft Windows allows an authorized local attacker with high privileges to defeat the platform's protection mechanism and tamper with the pre-OS boot chain. The CVSS 7.9 score reflects a scope-changing impact on confidentiality and integrity from a local vector, and no public exploit identified at time of analysis. The single MSRC reference indicates a Microsoft-tracked issue that primarily threatens code-integrity and boot-trust guarantees rather than runtime availability.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
7.9
EPSS
0.3%
CVE-2026-48563 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible via a heap-based buffer overflow that an unauthenticated remote attacker can trigger when a user is convinced to connect to a malicious RDP server. The flaw is rated CVSS 7.5 (High) with attack complexity High and required user interaction, and no public exploit identified at time of analysis. The CWE-416 classification combined with the vendor's tags points to a use-after-free condition reachable through crafted RDP server responses.

Buffer Overflow Memory Corruption Use After Free Windows 10 1809 Windows 10 21h2 +8
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-47654 HIGH PATCH NEWS This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled or compromised RDP server, triggering a heap-based buffer overflow that leads to arbitrary code execution on the client machine. The flaw is unauthenticated from the server side but requires user interaction and high attack complexity, and no public exploit identified at time of analysis. CVSS is rated 7.5 (High) with confidentiality, integrity, and availability impact.

Use After Free Memory Corruption Buffer Overflow Windows Server 2016 Windows Server 2019 +2
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-47653 HIGH PATCH This Week

Remote code execution in Microsoft Remote Desktop Client occurs when a user connects to an attacker-controlled RDP server, allowing the server to corrupt heap memory and execute arbitrary code on the client endpoint. The flaw carries a CVSS 8.8 (High) rating reflecting network reach with required user interaction, and no public exploit is identified at time of analysis. The attack pivots the traditional RDP threat model - attackers compromise clients that initiate outbound connections rather than exposed servers.

Use After Free Memory Corruption Buffer Overflow Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
8.8
EPSS
0.1%
CVE-2026-47652 HIGH PATCH NEWS Exploit Unlikely This Week

Local code execution in Microsoft Windows Hyper-V stems from an out-of-bounds read condition (CWE-122 heap-based buffer overflow) that an attacker with high privileges on a guest or host context can leverage to break confidentiality, integrity, and availability boundaries. The CVSS 8.2 score is elevated by a scope change (S:C), indicating the flaw enables crossing the hypervisor isolation boundary. No public exploit identified at time of analysis, and the vulnerability is not currently listed in CISA KEV.

Heap Overflow Microsoft Buffer Overflow Windows 11 23h2 Windows 11 24h2 +4
NVD VulDB
CVSS 3.1
8.2
EPSS
0.1%
CVE-2026-47289 HIGH PATCH NEWS Exploit Unlikely This Week

Heap-based buffer overflow in Microsoft Remote Desktop Client enables remote code execution when a user connects to a malicious RDP server, with the attacker gaining the same privileges as the connecting user. The CVSS 8.8 score reflects network-reachable exploitation requiring only minimal user interaction (initiating an RDP session), and no public exploit has been identified at time of analysis. The flaw is reported by Microsoft Security Response Center (secure@microsoft.com) and is categorized as CWE-122 heap-based buffer overflow.

Heap Overflow Buffer Overflow Windows App Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
8.8
EPSS
0.1%
CVE-2026-45658 MEDIUM PATCH Exploit Likely This Month

Security feature bypass in Microsoft Windows BitLocker allows an attacker with physical access to circumvent the drive encryption protection mechanism. Affected systems can have BitLocker-protected data accessed despite the encryption-at-rest control being enabled, undermining a core platform confidentiality boundary. There is no public exploit identified at time of analysis, but the vulnerability is reported by Microsoft (secure@microsoft.com) as a protection mechanism failure with high impact across confidentiality, integrity, and availability.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
6.8
EPSS
0.1%
CVE-2026-45653 HIGH PATCH This Week

Local privilege escalation in Microsoft Windows Kernel allows an authenticated low-privilege attacker to elevate to SYSTEM by triggering a use-after-free condition in kernel memory. The flaw carries a CVSS 7.0 rating with high attack complexity, and no public exploit identified at time of analysis. Exploitation requires a race condition or specific timing to be won, which constrains reliable weaponization but does not eliminate the risk on multi-user or shared Windows hosts.

Denial Of Service Heap Overflow Microsoft Buffer Overflow Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.0
EPSS
0.1%
CVE-2026-45641 HIGH PATCH NEWS Exploit Unlikely This Week

Local code execution in Microsoft Windows Hyper-V allows an authenticated attacker on a guest or host to escape sandbox boundaries by triggering an out-of-bounds read condition (CWE-843, type confusion) in the hypervisor. The flaw affects Windows 10 (21H2/22H2), Windows 11 (23H2/24H2/25H2/26H1), and Windows Server 2022/2025, with a vendor-released patch available and no public exploit identified at time of analysis. EPSS scoring of 0.15% and SSVC exploitation status of 'none' suggest limited near-term exploitation likelihood despite total technical impact potential.

Microsoft Memory Corruption Buffer Overflow Windows 10 21h2 Windows 10 22h2 +6
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45639 HIGH PATCH Exploit Unlikely This Week

Information disclosure in Microsoft Windows Remote Desktop Protocol (RDP) allows remote unauthenticated attackers to read out-of-bounds memory over the network, potentially exposing sensitive data from the RDP service process. The flaw is reachable without authentication or user interaction across any exposed RDP endpoint, and no public exploit identified at time of analysis. Microsoft has assigned the issue a CVSS 3.1 score of 7.5 reflecting high confidentiality impact with no integrity or availability effect.

Information Disclosure Microsoft Buffer Overflow Remote Desktop Client Windows App +13
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-45638 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver (AFD.sys) for WinSock allows an authenticated low-privileged user to gain SYSTEM-level access through a use-after-free condition. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8 score with high impact across confidentiality, integrity, and availability. No public exploit identified at time of analysis, though the AFD.sys driver has a long history of similar bugs being weaponized post-disclosure.

Denial Of Service Heap Overflow Microsoft Buffer Overflow Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-45635 HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Microsoft Windows Universal Plug and Play stack (upnp.dll) allows unauthenticated network attackers to execute arbitrary code on affected hosts by triggering a memory-safety flaw in the UPnP service. The issue carries a CVSS 3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N), reflecting network reachability without credentials but high attack complexity. At time of analysis there is no public exploit identified and the CVE is not listed in CISA KEV.

Denial Of Service Memory Corruption Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
8.1
EPSS
0.4%
CVE-2026-45634 MEDIUM PATCH This Month

Out-of-bounds read in the Windows DHCP Server service enables a locally authenticated, low-privileged attacker to disclose contents of process memory on affected systems. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms this is a local, low-complexity attack requiring only standard user privileges - no elevated rights or user interaction needed. Exploitation is constrained to hosts where the Windows DHCP Server role is actively installed and running, which significantly limits the attack surface to designated infrastructure servers rather than general workstations. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA KEV catalog.

Information Disclosure Microsoft Buffer Overflow Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
5.5
EPSS
0.1%
CVE-2026-45608 MEDIUM PATCH This Month

Out-of-bounds read in Windows DHCP Server exposes adjacent memory contents and can crash the service, yielding both information disclosure and a high-severity denial-of-service condition on affected Windows systems. The flaw (CWE-125) is exploitable locally with low attack complexity and no user interaction, targeting systems where the DHCP Server role is installed across a broad range of Windows 10, 11, and Server editions from 2012 through 2025. No public exploit has been identified at time of analysis, and Microsoft has released patched builds via the MSRC update guide (CVE-2026-45608).

Information Disclosure Microsoft Buffer Overflow Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
6.8
EPSS
0.0%
CVE-2026-45603 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an authenticated low-privileged user to elevate to SYSTEM by winning a race condition that triggers a use-after-free. The flaw is reported by Microsoft (MSRC) and carries CVSS 7.0 with high attack complexity, but no public exploit is identified at time of analysis and it is not listed in CISA KEV.

Denial Of Service Microsoft Race Condition Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-45602 CRITICAL PATCH Exploit Unlikely Act Now

Remote tampering in Microsoft Windows DHCP Server allows unauthenticated network attackers to manipulate critical data with high confidentiality and integrity impact, as reflected by the 9.1 CVSS score. The vulnerability is reachable over the network without privileges or user interaction, and no public exploit identified at time of analysis. The combination of authentication bypass tagging and DHCP's role as a core network infrastructure service makes this a high-priority issue for any Windows environment running the DHCP Server role.

Authentication Bypass Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
9.1
EPSS
0.1%
CVE-2026-45601 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (AFD.sys) allows an authenticated low-privileged attacker to win a race condition and gain SYSTEM-level execution. The flaw is a use-after-free triggered through concurrent WinSock operations, and at time of analysis no public exploit has been identified and the CVE is not on the CISA KEV list.

Denial Of Service Microsoft Race Condition Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-45598 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an authenticated low-privileged user to win a race condition and trigger a use-after-free, enabling code execution at kernel level. No public exploit identified at time of analysis, but AFD.sys has a long history of being a preferred LPE target and Microsoft has marked the issue as important. EPSS data was not provided in the source feed.

Denial Of Service Microsoft Race Condition Windows 10 1607 Windows 10 1809 +11
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-44812 HIGH PATCH NEWS Exploit Likely Act Now

Local code execution in Microsoft Windows Win32K GRFX (graphics) subsystem allows an attacker with low-privilege local access to run arbitrary code by triggering an integer overflow, after coaxing a user into interacting with a crafted graphics object. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV, though Win32K bugs historically attract rapid exploit development for privilege escalation in post-compromise chains.

Microsoft Integer Overflow Buffer Overflow Excel Powerpoint +14
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44803 HIGH PATCH NEWS Exploit Likely Act Now

Local code execution in the Windows Win32K GRFX (graphics) subsystem allows an unauthorized attacker with the ability to run code locally to escalate privileges through an integer overflow. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8, but requires user interaction (UI:R) and local access (AV:L), and no public exploit identified at time of analysis.

Microsoft Integer Overflow Buffer Overflow Excel Powerpoint +14
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44802 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Desktop Window Manager (DWM) Core Library allows an authenticated low-privilege attacker to gain higher privileges through a use-after-free memory corruption flaw. The vulnerability carries a CVSS score of 7.8 with high impact across confidentiality, integrity, and availability, and no public exploit identified at time of analysis. Successful exploitation typically yields SYSTEM-level code execution on the affected Windows host.

Microsoft Use After Free Memory Corruption Denial Of Service Windows 10 1809 +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-44801 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled RDP server, where a heap-based buffer overflow (linked to use-after-free memory corruption per vendor tags) enables arbitrary code execution on the client machine. The CVSS 7.5 score reflects high attack complexity and required user interaction, and no public exploit identified at time of analysis. SSVC assessment from CISA rates exploitation as 'none' and automatable as 'no', though technical impact is total.

Use After Free Memory Corruption Buffer Overflow Remote Desktop Client Windows App +13
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-44799 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client arises from a heap-based buffer overflow (CWE-122) that an unauthenticated network attacker can trigger when a victim connects to or interacts with a malicious server. Microsoft (secure@microsoft.com) is the originating reporter and has published an advisory in the MSRC update guide, with no public exploit identified at time of analysis. The CVSS 7.5 (High) rating reflects high attack complexity and required user interaction, but successful exploitation yields full confidentiality, integrity, and availability impact on the client host.

Heap Overflow Buffer Overflow Remote Desktop Client Windows App Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-42993 HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a user is lured into connecting to an attacker-controlled RDP server, where a heap-based buffer overflow (CWE-122) can be triggered to run arbitrary code on the client machine. The flaw was reported by Microsoft (secure@microsoft.com) and carries a CVSS 3.1 score of 7.5, reflecting high attack complexity and the requirement for user interaction. No public exploit identified at time of analysis, and the issue is not currently listed in CISA KEV.

Heap Overflow Buffer Overflow Windows 10 21h2 Windows 10 22h2 Windows 11 23h2 +5
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-42992 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a user is enticed to connect to an attacker-controlled RDP server, triggering a heap-based buffer overflow (CWE-122). The flaw scores CVSS 7.5 (AV:N/AC:H/PR:N/UI:R) and, while no public exploit is identified at time of analysis, the network-reachable nature and full CIA impact make it a meaningful client-side risk for users connecting to untrusted endpoints.

Buffer Overflow Heap Overflow Windows App Windows 10 1607 Windows 10 1809 +10
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-42986 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Microsoft Graphics Component allows an authenticated low-privileged attacker to gain elevated rights via a use-after-free memory corruption flaw (CWE-416). The issue carries a CVSS 7.8 (High) rating with full confidentiality, integrity, and availability impact on the affected host. No public exploit identified at time of analysis, and the vulnerability is not currently listed in CISA KEV.

Microsoft Denial Of Service Memory Corruption Use After Free Windows 10 1607 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42985 HIGH PATCH NEWS Exploit Likely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled or compromised RDP server, triggering a heap-based buffer overflow that runs attacker code in the client's context. The flaw (CWE-416 use-after-free / heap corruption) carries CVSS 8.8 and requires user interaction, with no public exploit identified at time of analysis. A vendor patch is available via Microsoft MSRC.

Use After Free Memory Corruption Buffer Overflow Remote Desktop Client Windows App +13
NVD VulDB
CVSS 3.1
8.8
EPSS
0.1%
CVE-2026-42974 HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Windows Performance Monitor (PerfMon) allows unauthenticated network-based attackers to execute arbitrary code by triggering an integer underflow condition. The flaw carries a CVSS 3.1 score of 8.1 driven by high impact across confidentiality, integrity, and availability, though high attack complexity (AC:H) tempers exploitability. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV, but Microsoft has released a patch via MSRC guidance.

Authentication Bypass Microsoft Integer Overflow Windows 11 23h2 Windows 11 24h2 +4
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-42973 MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications contains a use-of-uninitialized-resource flaw (CWE-200) that enables a locally authenticated attacker to read sensitive information from memory without elevation of privilege. Affecting a wide range of Windows 10, Windows 11, and Windows Server builds, the vulnerability requires only low-privilege local access and no user interaction to trigger. No public exploit code has been identified at time of analysis, and CISA SSVC rates exploitation as none with partial technical impact, placing this in a lower-urgency remediation band despite the High confidentiality rating in the CVSS vector.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +9
NVD VulDB
CVSS 3.1
5.5
EPSS
0.1%
CVE-2026-42971 MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications on multiple Windows 10, Windows 11, and Windows Server versions exposes sensitive memory contents through an uninitialized resource condition, allowing a low-privileged local user to read high-confidentiality data without any user interaction. The CVSS vector (AV:L/PR:L) confirms this is strictly a local privilege issue - no remote attack path exists - limiting its practical blast radius to insider threats and post-compromise lateral reconnaissance. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +9
NVD VulDB
CVSS 3.1
5.5
EPSS
0.1%
CVE-2026-42970 MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications contains a use-of-uninitialized-resource flaw (CWE-200) that enables authenticated local attackers to disclose sensitive information across a wide breadth of Microsoft Windows desktop and server platforms. Spanning Windows 10 through Windows 11 25H2 and Windows Server 2012 through Server 2025, the vulnerability carries a CVSS 5.5 Medium score with high confidentiality impact (C:H) but no integrity or availability impact. Microsoft has released patches via the June 2026 Patch Tuesday cycle; no public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog.

Information Disclosure Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 +10
NVD VulDB
CVSS 3.1
5.5
EPSS
0.1%
EPSS 1% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Narrator (the built-in screen reader) arises from improper neutralization of special elements in its Braille support component, allowing an already-authenticated local attacker (PR:L) to inject and execute OS commands that run with elevated privileges. All supported Windows client and server builds from Windows 10 1809 through Windows 11 26H1 and Windows Server 2019-2025 are affected, and Microsoft has released a patch. There is no public exploit identified at time of analysis and the CVE is not in CISA KEV, so exploitation is not confirmed as active.

Microsoft Command Injection Windows 10 Version 1809 +10
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.

Buffer Overflow Microsoft Information Disclosure +18
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local code execution in Microsoft Windows Media Foundation lets an attacker run arbitrary code in the context of the victim after luring them to open a maliciously crafted media file. The flaw (CVE-2026-58610, CWE-122 heap-based buffer overflow) affects a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. CVSS is 7.8 (AV:L/AC:L/PR:N/UI:R) with full confidentiality, integrity, and availability impact; there is no public exploit identified at time of analysis and it is not on CISA KEV.

Heap Overflow Buffer Overflow Microsoft +14
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local code execution in the Microsoft Graphics Component affects a broad range of supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). An attacker who convinces a user to open a specially crafted file or content triggers an out-of-bounds read (CWE-125) that Microsoft rates as enabling code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; exploitation requires local access plus user interaction, making it a standard patch-cycle priority rather than an emergency.

Buffer Overflow Microsoft Information Disclosure +18
NVD
EPSS 1% CVSS 8.8
HIGH PATCH Exploit Unlikely This Week

Network code execution in the Windows Print Spooler service allows an authenticated attacker to win a synchronization race and run arbitrary code across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Microsoft rates it CVSS 8.8 with high confidentiality, integrity, and availability impact; a vendor patch is available, and there is no public exploit identified at time of analysis. Note that the CVE description and CVSS indicate remote code execution while the source tags label it 'Information Disclosure' — a discrepancy defenders should verify against the MSRC advisory.

Microsoft Race Condition Information Disclosure +18
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Virtual Hard Disk (VHD) Miniport Driver lets an authenticated low-privileged user corrupt kernel heap memory and gain SYSTEM-level control. The flaw (CWE-122 heap-based buffer overflow, CVSS 7.8) affects a broad range of Windows 10, Windows 11, and Windows Server builds and was reported by Microsoft. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Windows 10 Version 1607 +14
NVD
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows arises from a use-after-free flaw (CWE-416) in the Windows Storage component, affecting Windows 10 (1809, 21H2, 22H2), Windows 11 (24H2, 25H2, 26H1), and Windows Server 2019/2022/2025. An authorized attacker who already has low-level access to a machine can trigger the freed-memory reuse to elevate to higher privileges (CVSS 7.0, high attack complexity). Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service +12
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH Exploit Unlikely This Month

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

Buffer Overflow Microsoft Information Disclosure +16
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH Exploit Unlikely This Month

Null pointer dereference in Windows Active Directory Domain Services (AD DS) enables a low-privileged authenticated attacker to crash the service remotely, causing denial of service across the affected domain. The flaw spans a wide range of Windows client and server releases, from Windows 10 version 1607 through Windows 11 version 26H1 and Windows Server 2012 through 2025. No public exploit code has been identified and this vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog at time of analysis, though the network-accessible attack surface and low privilege requirement lower the bar for abuse in environments with broad domain user access.

Denial Of Service Null Pointer Dereference Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 6.4
MEDIUM PATCH Exploit Unlikely This Month

Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.

Authentication Bypass Microsoft Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 8.4
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Hyper-V (Windows 11 24H2/25H2/26H1 and Windows Server 2022/2025) stems from a use-after-free memory-corruption condition that lets an attacker with a local foothold execute code at elevated, potentially SYSTEM/hypervisor-level privilege. Microsoft rates it CVSS 8.4 with total confidentiality, integrity, and availability impact, and there is no public exploit identified at time of analysis. EPSS is low (0.24%, 16th percentile) and CISA SSVC lists exploitation status as none, so this is a high-severity patch-on-cycle item rather than an actively exploited emergency.

Use After Free Memory Corruption Denial Of Service +7
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Remote code execution in Microsoft Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized network attacker to run arbitrary code by triggering a use-after-free (CWE-416) memory-corruption condition. The flaw affects a broad range of Windows client and server releases from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025, and per its CVSS 9.8 vector requires no authentication or user interaction. There is no public exploit identified at time of analysis, and the EPSS probability is modest (0.61%), so despite the critical score exploitation is not yet observed.

Use After Free Memory Corruption Denial Of Service +19
NVD
EPSS 0% 4.6 CVSS 7.8
HIGH POC KEV PATCH THREAT Exploited Act Now

Local privilege escalation in Microsoft Active Directory Federation Services (AD FS) lets an already-authenticated low-privileged user on the host gain higher privileges due to insufficient granularity of access control (CWE-1220). Affected deployments span AD FS on Windows Server 2012 through Windows Server 2025, and the flaw carries a CVSS 7.8 with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-priority-driven rather than exploitation-driven risk.

Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +11
NVD VulDB
EPSS 0% CVSS 7.1
HIGH PATCH This Week

Local tampering in Windows CryptoAPI (Crypt32) on Windows 11 (24H2/25H2/26H1) and Windows Server 2022/2025 stems from a missing cryptographic step, letting an authenticated local attacker undermine the integrity and confidentiality of cryptographically protected data. Microsoft rates it 7.1 (High) with high confidentiality and integrity impact; there is no public exploit identified at time of analysis and it is not on the CISA KEV list. A vendor patch is available through the MSRC update guide.

Microsoft Information Disclosure Windows 11 Version 24H2 +5
NVD
EPSS 0% CVSS 8.4
HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows GDI+ (the graphics rendering component) via a heap-based buffer overflow (CWE-122), affecting a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Server 2012 through Server 2025. Per the supplied CVSS vector (PR:N), an unauthorized attacker who gets the vulnerable component to process crafted graphics data can achieve high-impact code execution (C:H/I:H/A:H) on the local system. Microsoft has published a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft +18
NVD
EPSS 1% CVSS 8.1
HIGH PATCH This Week

Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated network attacker trigger a use-after-free (CWE-416) and run arbitrary code on a broad range of Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rated CVSS 8.1, the flaw carries high impact to confidentiality, integrity, and availability but requires winning a race condition (AC:H), and no public exploit identified at time of analysis. Reported by Microsoft with a vendor patch available.

Use After Free Memory Corruption Denial Of Service +18
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

Microsoft Information Disclosure Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Microsoft Windows TCP/IP networking stack allows an unauthenticated attacker on the same physical or logical network segment to win a race condition and run arbitrary code on the target. The flaw spans a broad range of desktop and server builds from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, but Microsoft has confirmed the issue and shipped a patch, and the high CVSS (8.8) plus network-facing kernel component make it a priority to remediate.

Authentication Bypass Microsoft Race Condition +18
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Information disclosure via uninitialized memory in the Windows SMB driver stack affects a broad range of Windows 10, Windows 11, and Windows Server versions. A locally authenticated, low-privileged attacker can trigger a code path that reads from uninitialized memory within the SMB subsystem, potentially leaking sensitive kernel or heap memory contents. No public exploit code or active exploitation has been identified at the time of analysis; Microsoft has released a patch via MSRC.

Microsoft Information Disclosure Windows 10 Version 1607 +17
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Denial of service in Windows Active Directory (spanning Windows 10, Windows 11, and Windows Server 2012 through 2025) lets a remote, unauthenticated attacker send crafted network traffic that drives an AD service into an infinite loop, exhausting CPU and rendering domain services unavailable. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N with high availability impact and no confidentiality or integrity loss, this is a pure availability threat against domain controllers. Microsoft has released a patch; there is no public exploit identified at time of analysis and no CISA KEV listing.

Microsoft Denial Of Service Windows 10 Version 1607 +17
NVD
EPSS 2% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in Microsoft Windows Win32K (the kernel-mode GUI subsystem) allows an authenticated local user to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory corruption condition. The flaw affects a broad range of supported builds spanning Windows 10 1809 through Windows 11 26H1 and Windows Server 2019 through 2025, including Server Core installations. Microsoft has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service +12
NVD
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated attacker on the same network segment run arbitrary code by triggering an integer underflow (CWE-191) during multicast message processing. All supported Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1 are affected. There is no public exploit identified at time of analysis, but the CVSS 8.8 adjacent-network unauthenticated profile and Microsoft's own reporting make this a high-priority patch.

Authentication Bypass Integer Overflow Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation to code execution in the Windows Resilient File System (ReFS) driver affects a broad range of Windows 10/11 and Windows Server 2016 through 2025 releases, where an integer overflow (CWE-190) in filesystem processing lets an already-authenticated local user run arbitrary code in an elevated context. The CVSS 3.1 vector (AV:L/PR:L) confirms low-privileged local access is required rather than remote exploitation, and there is no public exploit identified at time of analysis. Microsoft has released a patch via MSRC.

Buffer Overflow Microsoft Integer Overflow +14
NVD
EPSS 0% CVSS 8.4
HIGH POC PATCH Exploit Likely This Week

Local code execution in the Microsoft Message Queuing (MSMQ) Queue Manager affects a broad range of Windows client and server releases from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A heap-based buffer overflow (CWE-122) lets an attacker who can reach the local MSMQ service run arbitrary code with high confidentiality, integrity, and availability impact; the CVSS 3.1 base score is 8.4 with a local attack vector but no privileges or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the vendor (Microsoft) has released a patch.

Heap Overflow Buffer Overflow Microsoft +18
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Printer Drivers component across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025 lets an already-authenticated attacker corrupt kernel-adjacent memory to gain higher privileges. The flaw is a double free (CWE-415) triggered locally by a low-privileged user, yielding high confidentiality, integrity, and availability impact (CVSS 7.8). No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Microsoft Information Disclosure Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated attacker to win a race condition (CWE-362) and elevate to SYSTEM-level privileges across supported Windows 10, Windows 11, and Windows Server 2019-2025 builds. Reported by Microsoft with a vendor patch available; there is no public exploit identified at time of analysis and EPSS is low (0.16%, 5th percentile). CVSS 7.0 reflects high attack complexity (AC:H) driven by the timing-window nature of the flaw and the requirement for existing low-privilege access (PR:L).

Microsoft Race Condition Information Disclosure +11
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Active Directory certificate-validation path lets an already-authenticated attacker on Windows 10 (1607/1809) and Windows Server 2016 through 2025 (including Server Core) improperly validate a certificate to gain higher privileges. Microsoft reported and patched the flaw (CWE-295), but there is no public exploit identified at time of analysis and it is not on CISA KEV. The CVSS 7.8 vector (AV:L/PR:L) confirms an authenticated local attacker with full confidentiality, integrity, and availability impact upon success.

Microsoft Information Disclosure Windows 10 Version 1607 +8
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows Media Foundation lets an unauthorized attacker run arbitrary code by luring a user into opening a specially crafted media file. The flaw affects a broad range of Windows 10, Windows 11, and Windows Server builds (from 1809 through Windows 11 26H1 and Server 2025), and Microsoft has released patches. No public exploit identified at time of analysis, but the low attack complexity and full C/I/A impact make it a standard Patch-Tuesday priority.

Heap Overflow Buffer Overflow Microsoft +11
NVD VulDB
EPSS 2% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in Microsoft Windows Win32K (the kernel-mode GUI subsystem) lets an already-authenticated low-privilege user corrupt kernel heap memory via a heap-based buffer overflow (CWE-122) to gain SYSTEM-level control. The flaw affects a broad range of client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025). Microsoft has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft +14
NVD
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an authenticated low-privileged user to win a race condition and elevate to SYSTEM across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available, it carries CVSS 7.0 but a high attack complexity (AC:H) reflecting the timing-sensitive nature of the flaw. There is no public exploit identified at time of analysis, and EPSS is low (0.19%, 9th percentile), consistent with CISA SSVC rating exploitation as 'none.'

Microsoft Race Condition Information Disclosure +18
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation in the Windows Common Log File System (CLFS) Driver allows an already-authenticated, low-privileged user to elevate to SYSTEM on a wide range of Windows client and server releases. Microsoft classifies the root cause as exposure of sensitive information (CWE-200), but the CVSS impact profile (C:H/I:H/A:H) reflects that the leaked kernel data enables full local privilege escalation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though CLFS has historically been a heavily exploited elevation-of-privilege target in Windows.

Microsoft Information Disclosure Windows 10 Version 1607 +17
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Network denial of service in the Windows Internet Key Exchange (IKE) protocol implementation allows an unauthenticated remote attacker to crash affected systems by triggering a heap-based buffer overflow. All impact is to availability only (CVSS 7.5, A:H, no confidentiality or integrity loss), making this a reliability/uptime threat against IPsec/VPN-facing Windows 10, Windows 11, and Windows Server hosts rather than a code-execution vulnerability. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the low attack complexity and lack of authentication make it a meaningful patching priority for internet-exposed IPsec endpoints.

Heap Overflow Buffer Overflow Microsoft +11
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Overlay Filter (WOF) driver allows an authenticated low-privileged user to elevate to SYSTEM by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through Server 2025. Microsoft has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

Heap Overflow Buffer Overflow Microsoft +16
NVD
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows Quality Windows Audio/Video Experience (QWAVE) service lets an already-authenticated, low-privileged user elevate to higher privileges by exploiting a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.0 (AV:L/AC:H/PR:L).

Use After Free Memory Corruption Denial Of Service +19
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Hyper-V (CWE-416 use-after-free) allows an authenticated attacker already running low-privileged code on an affected host to elevate to higher privileges, with full confidentiality, integrity, and availability impact. Reported by Microsoft and affecting a broad range of Windows 10, Windows 11, and Windows Server builds including Server 2019/2022/2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Use After Free Memory Corruption Denial Of Service +12
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash the service by triggering a stack-based buffer overflow over the network (CVSS 7.5, availability-only impact). Because AD FS brokers single sign-on and federated authentication, a successful attack can knock out login for every downstream application that relies on it. No public exploit has been identified at time of analysis, and it is not listed in CISA KEV.

Buffer Overflow Stack Overflow Windows 10 Version 1607 +17
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Denial of service in Microsoft Active Directory Federation Services (AD FS) lets a remote, unauthenticated attacker crash the service by triggering a stack-based buffer overflow (CWE-121) over the network. The flaw affects AD FS as shipped across a broad range of Windows client and server builds (Windows 10/11 and Windows Server 2012 through 2025). Microsoft - the reporting party - has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Buffer Overflow Stack Overflow Windows 10 Version 1607 +17
NVD
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows App Store component (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025) allows an authorized low-privileged attacker to win a race condition on an improperly synchronized shared resource and gain higher privileges. Exploitation is local-only and high-complexity because it depends on reliably hitting a narrow timing window, and no public exploit has been identified at time of analysis. A vendor patch is available via Microsoft's MSRC update guide.

Microsoft Race Condition Information Disclosure +14
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.

Buffer Overflow Microsoft Information Disclosure +18
NVD
EPSS 0% CVSS 6.1
MEDIUM PATCH This Month

Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

Authentication Bypass Microsoft Windows 10 Version 1809 +10
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Exploit Unlikely Act Now

Remote code execution in the Microsoft Windows FTP Service allows an unauthenticated network attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122). The flaw affects the FTP service across a broad range of Windows 10, Windows 11, and Windows Server (2019/2022/2025) builds and carries a critical CVSS 9.8 rating with no authentication or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the unauthenticated, network-reachable nature of the bug makes it a high-priority patch target.

Heap Overflow Buffer Overflow Microsoft +13
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows DNS lets an already-authenticated, low-privileged attacker corrupt heap memory to gain higher (likely SYSTEM) privileges on affected Windows 10, Windows 11, and Windows Server 2022/2025 systems. The flaw is a heap-based buffer overflow (CWE-122) reported by Microsoft itself, with a vendor patch available via MSRC. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so it currently represents a patch-priority rather than an emergency.

Heap Overflow Buffer Overflow Microsoft +8
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows WalletService allows an authenticated low-privileged attacker to gain SYSTEM-level rights on the host, per CVSS:3.1 AV:L/AC:L/PR:L (7.8, High). The flaw stems from improper privilege management (CWE-269) in the WalletService component and affects a broad range of Windows client and server builds. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but a vendor patch from Microsoft is available.

Microsoft Privilege Escalation Windows 10 Version 1607 +13
NVD
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Local privilege elevation in the Windows Speech component (Text-to-Speech / speech runtime) affects a broad range of Windows 10, Windows 11, and Windows Server releases, where a use-after-free (CWE-416) lets an already-authenticated local user corrupt memory to run code at higher privilege. Exploitation is non-trivial - it requires local access, low-level authentication, user interaction, and winning a memory-timing condition - and the CVSS 7.5 rating reflects a scope-changed, high-impact outcome. There is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV, so this is a patch-on-cycle EoP rather than an emergency.

Use After Free Memory Corruption Denial Of Service +15
NVD
EPSS 3% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows StateRepository API lets an already-authenticated low-privileged user gain higher (typically SYSTEM-level) privileges due to insufficiently granular access control (CWE-1220). It affects a broad range of currently supported Windows client and server builds (Windows 10 1809 through Windows 11 26H1, and Windows Server 2019/2022/2025). The flaw was reported by Microsoft, a vendor patch is available, and there is no public exploit identified at time of analysis (not listed in CISA KEV).

Microsoft Information Disclosure Windows 10 Version 1809 +10
NVD
EPSS 0% CVSS 6.8
MEDIUM PATCH Exploit Unlikely This Month

Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.

Buffer Overflow Microsoft Integer Overflow +14
NVD
EPSS 0% CVSS 4.7
MEDIUM PATCH Exploit Unlikely This Month

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Use After Free Memory Corruption Denial Of Service +12
NVD
EPSS 0% CVSS 7.1
HIGH PATCH Exploit Unlikely This Week

Local information disclosure in the Microsoft Windows App Store (Store/AppX component) affects a broad range of Windows 10, Windows 11, and Windows Server releases (1607 through 26H1, Server 2016/2019/2022/2025). An authorized local attacker can leverage a use of uninitialized resource (CWE-908) to read memory contents that should not be exposed, with CVSS 7.1 reflecting high confidentiality impact but requiring low-privileged authenticated local access. There is no public exploit identified at time of analysis, it is not listed in CISA KEV, and Microsoft has released a patch via the MSRC update guide.

Microsoft Information Disclosure Windows 10 Version 1607 +13
NVD
EPSS 1% CVSS 8.1
HIGH PATCH This Week

Remote code execution in Microsoft Active Directory Domain Services (AD DS) allows an unauthenticated network attacker to corrupt heap memory and run arbitrary code on affected domain controllers. The flaw (CVE-2026-49164, CVSS 8.1) spans a broad range of Windows client and server builds from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025, with full confidentiality, integrity, and availability impact. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the high attack complexity (AC:H) tempers the practical exploitation likelihood.

Heap Overflow Buffer Overflow Windows 10 Version 1607 +17
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

Remote code execution in the Microsoft ODBC Driver for SQL Server (shipped across Windows 10, Windows 11, and Windows Server 2012 through 2025) stems from a heap-based buffer overflow that lets an attacker run arbitrary code over the network. The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) scores it 9.8 and marks it unauthenticated, though as a database driver flaw the realistic trigger is a client connecting to a malicious or compromised SQL Server endpoint. There is no public exploit identified at time of analysis and no CISA KEV listing, so this is a high-severity but not yet actively-exploited issue.

Heap Overflow Buffer Overflow Windows 10 Version 1607 +18
NVD
EPSS 0% CVSS 8.0
HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Windows Bluetooth Port Driver lets an adjacent, unauthenticated attacker corrupt heap memory to run arbitrary code on the target after minimal user interaction. The flaw (CWE-122 heap-based buffer overflow) affects a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025, with full confidentiality, integrity, and availability impact (CVSS 8.0). There is no public exploit identified at time of analysis, but a vendor patch is available from Microsoft.

Heap Overflow Buffer Overflow Microsoft +18
NVD
EPSS 0% CVSS 8.1
HIGH PATCH This Week

Privilege elevation in the Windows App Store component affects a broad range of Microsoft Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2016 through 2025), where a race condition (CWE-362) lets an unauthorized attacker win a timing window to gain elevated privileges over a network. The CVSS 3.1 score is 8.1 with a network vector and no authentication (PR:N), but high attack complexity (AC:H) reflects the difficulty of reliably winning the race. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; a vendor patch is available from Microsoft.

Authentication Bypass Microsoft Race Condition +14
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

Microsoft Information Disclosure Windows 10 Version 1607 +18
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.

Microsoft Information Disclosure Windows 10 Version 1809 +10
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Secure Kernel Mode (SKM/VTL1) allows an already-authenticated attacker to elevate to higher privileges on affected Windows 10, Windows 11 (through 26H1), and Windows Server 2016-2025 systems. The flaw stems from improper consistency validation of input crossing the trust boundary into the isolated secure kernel (CWE-1288), yielding full confidentiality, integrity, and availability impact on the local host. Microsoft has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.

Microsoft Information Disclosure Windows 10 Version 1607 +14
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Likely This Week

Information disclosure in Microsoft Windows NTLM authentication allows remote unauthenticated attackers to obtain sensitive data and conduct network spoofing attacks against affected Windows 10, Windows 11, and Windows Server installations. The flaw carries a CVSS 7.5 (high) rating due to high confidentiality impact with no privileges or user interaction required, though EPSS exploitation probability is low at 0.08% and no public exploit identified at time of analysis. Microsoft has released patches through MSRC for all affected SKUs.

Information Disclosure Microsoft Windows 10 1607 +5
NVD VulDB
EPSS 0% CVSS 6.8
MEDIUM PATCH Exploit Likely This Month

BitLocker's protection mechanism on Windows fails to enforce a critical authentication or verification step, permitting a physically present attacker to bypass full-disk encryption without credentials, a recovery key, or elevated privileges. Despite a CVSS score of 6.8 (Medium) - moderated by the physical access requirement - the impact ratings are High across confidentiality, integrity, and availability, meaning successful exploitation grants complete access to encrypted data and the underlying system. No public exploit has been identified at time of analysis, and Microsoft has released a patch via the MSRC update guide.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.9
HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot enables a local high-privileged attacker to defeat the platform's boot-time integrity protections, achieving high confidentiality and integrity impact across a changed security scope. The flaw stems from a protection mechanism failure (CWE-284, Improper Access Control) that undermines the trust boundary Secure Boot is designed to enforce. At the time of analysis, no public exploit has been identified and the issue is not listed in CISA KEV, but the scope-changed CVSS of 7.9 reflects the severity of subverting a root-of-trust security control.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.9
HIGH PATCH Exploit Unlikely This Week

Security feature bypass in Windows Secure Boot allows a high-privileged local attacker to circumvent the boot integrity protection mechanism, undermining trust in the Windows boot chain. The flaw (CWE-1329, reliance on a component that is not updateable) carries a CVSS 7.9 rating due to scope change and high impact on confidentiality and integrity, and no public exploit has been identified at time of analysis. Successful exploitation could enable pre-OS persistence such as bootkits, defeating a foundational Windows security control.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.9
HIGH PATCH Exploit Unlikely This Week

Secure Boot bypass in Microsoft Windows allows an authorized local attacker with high privileges to defeat the platform's protection mechanism and tamper with the pre-OS boot chain. The CVSS 7.9 score reflects a scope-changing impact on confidentiality and integrity from a local vector, and no public exploit identified at time of analysis. The single MSRC reference indicates a Microsoft-tracked issue that primarily threatens code-integrity and boot-trust guarantees rather than runtime availability.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible via a heap-based buffer overflow that an unauthenticated remote attacker can trigger when a user is convinced to connect to a malicious RDP server. The flaw is rated CVSS 7.5 (High) with attack complexity High and required user interaction, and no public exploit identified at time of analysis. The CWE-416 classification combined with the vendor's tags points to a use-after-free condition reachable through crafted RDP server responses.

Buffer Overflow Memory Corruption Use After Free +10
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled or compromised RDP server, triggering a heap-based buffer overflow that leads to arbitrary code execution on the client machine. The flaw is unauthenticated from the server side but requires user interaction and high attack complexity, and no public exploit identified at time of analysis. CVSS is rated 7.5 (High) with confidentiality, integrity, and availability impact.

Use After Free Memory Corruption Buffer Overflow +4
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Remote code execution in Microsoft Remote Desktop Client occurs when a user connects to an attacker-controlled RDP server, allowing the server to corrupt heap memory and execute arbitrary code on the client endpoint. The flaw carries a CVSS 8.8 (High) rating reflecting network reach with required user interaction, and no public exploit is identified at time of analysis. The attack pivots the traditional RDP threat model - attackers compromise clients that initiate outbound connections rather than exposed servers.

Use After Free Memory Corruption Buffer Overflow +13
NVD VulDB
EPSS 0% CVSS 8.2
HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows Hyper-V stems from an out-of-bounds read condition (CWE-122 heap-based buffer overflow) that an attacker with high privileges on a guest or host context can leverage to break confidentiality, integrity, and availability boundaries. The CVSS 8.2 score is elevated by a scope change (S:C), indicating the flaw enables crossing the hypervisor isolation boundary. No public exploit identified at time of analysis, and the vulnerability is not currently listed in CISA KEV.

Heap Overflow Microsoft Buffer Overflow +6
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Unlikely This Week

Heap-based buffer overflow in Microsoft Remote Desktop Client enables remote code execution when a user connects to a malicious RDP server, with the attacker gaining the same privileges as the connecting user. The CVSS 8.8 score reflects network-reachable exploitation requiring only minimal user interaction (initiating an RDP session), and no public exploit has been identified at time of analysis. The flaw is reported by Microsoft Security Response Center (secure@microsoft.com) and is categorized as CWE-122 heap-based buffer overflow.

Heap Overflow Buffer Overflow Windows App +13
NVD VulDB
EPSS 0% CVSS 6.8
MEDIUM PATCH Exploit Likely This Month

Security feature bypass in Microsoft Windows BitLocker allows an attacker with physical access to circumvent the drive encryption protection mechanism. Affected systems can have BitLocker-protected data accessed despite the encryption-at-rest control being enabled, undermining a core platform confidentiality boundary. There is no public exploit identified at time of analysis, but the vulnerability is reported by Microsoft (secure@microsoft.com) as a protection mechanism failure with high impact across confidentiality, integrity, and availability.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Local privilege escalation in Microsoft Windows Kernel allows an authenticated low-privilege attacker to elevate to SYSTEM by triggering a use-after-free condition in kernel memory. The flaw carries a CVSS 7.0 rating with high attack complexity, and no public exploit identified at time of analysis. Exploitation requires a race condition or specific timing to be won, which constrains reliable weaponization but does not eliminate the risk on multi-user or shared Windows hosts.

Denial Of Service Heap Overflow Microsoft +14
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows Hyper-V allows an authenticated attacker on a guest or host to escape sandbox boundaries by triggering an out-of-bounds read condition (CWE-843, type confusion) in the hypervisor. The flaw affects Windows 10 (21H2/22H2), Windows 11 (23H2/24H2/25H2/26H1), and Windows Server 2022/2025, with a vendor-released patch available and no public exploit identified at time of analysis. EPSS scoring of 0.15% and SSVC exploitation status of 'none' suggest limited near-term exploitation likelihood despite total technical impact potential.

Microsoft Memory Corruption Buffer Overflow +8
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Information disclosure in Microsoft Windows Remote Desktop Protocol (RDP) allows remote unauthenticated attackers to read out-of-bounds memory over the network, potentially exposing sensitive data from the RDP service process. The flaw is reachable without authentication or user interaction across any exposed RDP endpoint, and no public exploit identified at time of analysis. Microsoft has assigned the issue a CVSS 3.1 score of 7.5 reflecting high confidentiality impact with no integrity or availability effect.

Information Disclosure Microsoft Buffer Overflow +15
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver (AFD.sys) for WinSock allows an authenticated low-privileged user to gain SYSTEM-level access through a use-after-free condition. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8 score with high impact across confidentiality, integrity, and availability. No public exploit identified at time of analysis, though the AFD.sys driver has a long history of similar bugs being weaponized post-disclosure.

Denial Of Service Heap Overflow Microsoft +14
NVD VulDB
EPSS 0% CVSS 8.1
HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Microsoft Windows Universal Plug and Play stack (upnp.dll) allows unauthenticated network attackers to execute arbitrary code on affected hosts by triggering a memory-safety flaw in the UPnP service. The issue carries a CVSS 3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N), reflecting network reachability without credentials but high attack complexity. At time of analysis there is no public exploit identified and the CVE is not listed in CISA KEV.

Denial Of Service Memory Corruption Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Out-of-bounds read in the Windows DHCP Server service enables a locally authenticated, low-privileged attacker to disclose contents of process memory on affected systems. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms this is a local, low-complexity attack requiring only standard user privileges - no elevated rights or user interaction needed. Exploitation is constrained to hosts where the Windows DHCP Server role is actively installed and running, which significantly limits the attack surface to designated infrastructure servers rather than general workstations. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA KEV catalog.

Information Disclosure Microsoft Buffer Overflow +13
NVD VulDB
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

Out-of-bounds read in Windows DHCP Server exposes adjacent memory contents and can crash the service, yielding both information disclosure and a high-severity denial-of-service condition on affected Windows systems. The flaw (CWE-125) is exploitable locally with low attack complexity and no user interaction, targeting systems where the DHCP Server role is installed across a broad range of Windows 10, 11, and Server editions from 2012 through 2025. No public exploit has been identified at time of analysis, and Microsoft has released patched builds via the MSRC update guide (CVE-2026-45608).

Information Disclosure Microsoft Buffer Overflow +13
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an authenticated low-privileged user to elevate to SYSTEM by winning a race condition that triggers a use-after-free. The flaw is reported by Microsoft (MSRC) and carries CVSS 7.0 with high attack complexity, but no public exploit is identified at time of analysis and it is not listed in CISA KEV.

Denial Of Service Microsoft Race Condition +13
NVD VulDB
EPSS 0% CVSS 9.1
CRITICAL PATCH Exploit Unlikely Act Now

Remote tampering in Microsoft Windows DHCP Server allows unauthenticated network attackers to manipulate critical data with high confidentiality and integrity impact, as reflected by the 9.1 CVSS score. The vulnerability is reachable over the network without privileges or user interaction, and no public exploit identified at time of analysis. The combination of authentication bypass tagging and DHCP's role as a core network infrastructure service makes this a high-priority issue for any Windows environment running the DHCP Server role.

Authentication Bypass Microsoft Windows 10 1607 +12
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (AFD.sys) allows an authenticated low-privileged attacker to win a race condition and gain SYSTEM-level execution. The flaw is a use-after-free triggered through concurrent WinSock operations, and at time of analysis no public exploit has been identified and the CVE is not on the CISA KEV list.

Denial Of Service Microsoft Race Condition +13
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an authenticated low-privileged user to win a race condition and trigger a use-after-free, enabling code execution at kernel level. No public exploit identified at time of analysis, but AFD.sys has a long history of being a preferred LPE target and Microsoft has marked the issue as important. EPSS data was not provided in the source feed.

Denial Of Service Microsoft Race Condition +13
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely Act Now

Local code execution in Microsoft Windows Win32K GRFX (graphics) subsystem allows an attacker with low-privilege local access to run arbitrary code by triggering an integer overflow, after coaxing a user into interacting with a crafted graphics object. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV, though Win32K bugs historically attract rapid exploit development for privilege escalation in post-compromise chains.

Microsoft Integer Overflow Buffer Overflow +16
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely Act Now

Local code execution in the Windows Win32K GRFX (graphics) subsystem allows an unauthorized attacker with the ability to run code locally to escalate privileges through an integer overflow. The flaw was reported by Microsoft (MSRC) and carries a CVSS 7.8, but requires user interaction (UI:R) and local access (AV:L), and no public exploit identified at time of analysis.

Microsoft Integer Overflow Buffer Overflow +16
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Desktop Window Manager (DWM) Core Library allows an authenticated low-privilege attacker to gain higher privileges through a use-after-free memory corruption flaw. The vulnerability carries a CVSS score of 7.8 with high impact across confidentiality, integrity, and availability, and no public exploit identified at time of analysis. Successful exploitation typically yields SYSTEM-level code execution on the affected Windows host.

Microsoft Use After Free Memory Corruption +11
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled RDP server, where a heap-based buffer overflow (linked to use-after-free memory corruption per vendor tags) enables arbitrary code execution on the client machine. The CVSS 7.5 score reflects high attack complexity and required user interaction, and no public exploit identified at time of analysis. SSVC assessment from CISA rates exploitation as 'none' and automatable as 'no', though technical impact is total.

Use After Free Memory Corruption Buffer Overflow +15
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client arises from a heap-based buffer overflow (CWE-122) that an unauthenticated network attacker can trigger when a victim connects to or interacts with a malicious server. Microsoft (secure@microsoft.com) is the originating reporter and has published an advisory in the MSRC update guide, with no public exploit identified at time of analysis. The CVSS 7.5 (High) rating reflects high attack complexity and required user interaction, but successful exploitation yields full confidentiality, integrity, and availability impact on the client host.

Heap Overflow Buffer Overflow Remote Desktop Client +14
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a user is lured into connecting to an attacker-controlled RDP server, where a heap-based buffer overflow (CWE-122) can be triggered to run arbitrary code on the client machine. The flaw was reported by Microsoft (secure@microsoft.com) and carries a CVSS 3.1 score of 7.5, reflecting high attack complexity and the requirement for user interaction. No public exploit identified at time of analysis, and the issue is not currently listed in CISA KEV.

Heap Overflow Buffer Overflow Windows 10 21h2 +7
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a user is enticed to connect to an attacker-controlled RDP server, triggering a heap-based buffer overflow (CWE-122). The flaw scores CVSS 7.5 (AV:N/AC:H/PR:N/UI:R) and, while no public exploit is identified at time of analysis, the network-reachable nature and full CIA impact make it a meaningful client-side risk for users connecting to untrusted endpoints.

Buffer Overflow Heap Overflow Windows App +12
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Microsoft Graphics Component allows an authenticated low-privileged attacker to gain elevated rights via a use-after-free memory corruption flaw (CWE-416). The issue carries a CVSS 7.8 (High) rating with full confidentiality, integrity, and availability impact on the affected host. No public exploit identified at time of analysis, and the vulnerability is not currently listed in CISA KEV.

Microsoft Denial Of Service Memory Corruption +14
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Likely This Week

Remote code execution in Microsoft Remote Desktop Client is possible when a victim connects to an attacker-controlled or compromised RDP server, triggering a heap-based buffer overflow that runs attacker code in the client's context. The flaw (CWE-416 use-after-free / heap corruption) carries CVSS 8.8 and requires user interaction, with no public exploit identified at time of analysis. A vendor patch is available via Microsoft MSRC.

Use After Free Memory Corruption Buffer Overflow +15
NVD VulDB
EPSS 0% CVSS 8.1
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Microsoft Windows Performance Monitor (PerfMon) allows unauthenticated network-based attackers to execute arbitrary code by triggering an integer underflow condition. The flaw carries a CVSS 3.1 score of 8.1 driven by high impact across confidentiality, integrity, and availability, though high attack complexity (AC:H) tempers exploitability. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV, but Microsoft has released a patch via MSRC guidance.

Authentication Bypass Microsoft Integer Overflow +6
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications contains a use-of-uninitialized-resource flaw (CWE-200) that enables a locally authenticated attacker to read sensitive information from memory without elevation of privilege. Affecting a wide range of Windows 10, Windows 11, and Windows Server builds, the vulnerability requires only low-privilege local access and no user interaction to trigger. No public exploit code has been identified at time of analysis, and CISA SSVC rates exploitation as none with partial technical impact, placing this in a lower-urgency remediation band despite the High confidentiality rating in the CVSS vector.

Information Disclosure Microsoft Windows 10 1607 +11
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications on multiple Windows 10, Windows 11, and Windows Server versions exposes sensitive memory contents through an uninitialized resource condition, allowing a low-privileged local user to read high-confidentiality data without any user interaction. The CVSS vector (AV:L/PR:L) confirms this is strictly a local privilege issue - no remote attack path exists - limiting its practical blast radius to insider threats and post-compromise lateral reconnaissance. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all listed affected versions.

Information Disclosure Microsoft Windows 10 1607 +11
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Windows Push Notifications contains a use-of-uninitialized-resource flaw (CWE-200) that enables authenticated local attackers to disclose sensitive information across a wide breadth of Microsoft Windows desktop and server platforms. Spanning Windows 10 through Windows 11 25H2 and Windows Server 2012 through Server 2025, the vulnerability carries a CVSS 5.5 Medium score with high confidentiality impact (C:H) but no integrity or availability impact. Microsoft has released patches via the June 2026 Patch Tuesday cycle; no public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog.

Information Disclosure Microsoft Windows 10 1607 +12
NVD VulDB
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