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Windows 11 Version 23H2

68 CVEs product

Monthly

CVE-2026-62727 HIGH PATCH This Week

Privilege escalation in the Windows Telephony Service (TapiSrv) allows an authenticated local attacker with low-privilege access to gain SYSTEM-level privileges by exploiting a race condition in how the service handles concurrent access to shared resources. Affected products span Windows 10 (multiple feature releases), Windows 11, and Windows Server 2012 through 2025, representing a broad swath of the Microsoft ecosystem. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but a vendor patch is available via the Microsoft Security Response Center.

Information Disclosure Race Condition Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +17
NVD VulDB
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-58629 HIGH PATCH This Week

Local privilege escalation in the Windows DirectX graphics subsystem allows an authenticated attacker with low privileges to elevate to SYSTEM 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 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, and it is not listed in CISA KEV; the CVSS 3.1 base score is 7.0 (High), tempered by high attack complexity.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 10 Version 1607 +18
NVD VulDB
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-56173 HIGH PATCH This Week

Local privilege elevation in the Windows WebView component 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). By triggering a use-after-free (CWE-416) memory-corruption condition, an already-authenticated low-privilege attacker can execute code in a higher-privilege context, yielding full confidentiality, integrity, and availability impact on the local system. 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 +11
NVD VulDB
CVSS 3.1
7.0
EPSS
0.3%
CVE-2026-50471 HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows NTFS (the New Technology File System driver) arises from a heap-based buffer overflow that lets an attacker run arbitrary code with the privileges of the affected process. The flaw affects a broad swath of supported Windows client and server builds, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft (the reporter) has shipped a patch; there is no public exploit identified at time of analysis, and the CVSS vector requires local access plus user interaction, so it is a privilege-escalation/code-execution primitive rather than a remotely-wormable bug.

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +17
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2026-44800 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Push Notifications component (WPN) affects Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025 including Server Core, where a race condition (CWE-362) lets an authorized local user win a timing window on a shared resource to run code at a higher privilege level. Microsoft reported the issue and has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Note a signal conflict: the description and CVSS impact frame this as privilege elevation, while the vendor tags also list 'Information Disclosure' - the primary impact should be treated as EoP pending vendor clarification.

Microsoft Race Condition Information Disclosure Windows 11 Version 23H2 Windows 11 Version 24H2 +4
NVD VulDB
CVSS 3.1
7.8
EPSS
0.2%
CVE-2026-40378 HIGH PATCH Exploit Unlikely This Week

Denial of service in the Windows Local Security Authority Subsystem Service (LSASS) allows a remote, unauthenticated attacker to crash the service and disrupt authentication across all supported Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. The flaw stems from an excessive-size memory allocation (CWE-789) triggerable over the network with no privileges or user interaction, and while a vendor patch is available, there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Impact is limited to availability (A:H) with no confidentiality or integrity loss, but LSASS failure can force system instability or reboots, affecting domain authentication and logon.

Authentication Bypass Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +16
NVD VulDB
CVSS 3.1
7.5
EPSS
0.8%
CVE-2026-34348 MEDIUM PATCH Exploit Unlikely This Month

Windows Event Logging Service across a wide range of Windows 10, Windows 11, and Windows Server versions fails to enforce its intended protection mechanisms, permitting any authenticated low-privileged network user to read information that should be access-controlled. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) confirms exploitation requires only a valid low-privilege account and network connectivity, with no user interaction and no elevated rights - making it a practical post-compromise lateral-movement or reconnaissance tool. No public exploit code has been identified and this CVE is not listed in CISA KEV at time of analysis, but the ubiquitous deployment footprint across the Windows ecosystem elevates organizational exposure.

Microsoft Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +9
NVD VulDB
CVSS 3.1
6.5
EPSS
0.7%
CVE-2026-34328 MEDIUM PATCH This Month

Windows Audio Service on multiple Windows desktop and server versions improperly exposes sensitive information to locally authenticated standard users, enabling information disclosure without requiring elevated privileges. Affecting Windows 10 1809 through Windows 11 26H1 and Windows Server 2019 (with Server 2022 and 2025 referenced in tags), the flaw is exploitable post-foothold by any low-privileged local account, making it a realistic post-exploitation pivot rather than an initial access vector. No public exploit code has been identified at time of analysis, and a vendor-released patch is confirmed available via the Microsoft Security Response Center.

Microsoft Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +9
NVD VulDB
CVSS 3.1
5.5
EPSS
0.4%
CVE-2026-33842 MEDIUM PATCH This Month

Windows File Explorer on virtually all supported Microsoft Windows desktop and server editions leaks sensitive information to locally authenticated low-privileged users, classified under CWE-200. The flaw allows a local attacker holding only a standard account to access data that should be restricted to higher-privileged processes - with no user interaction required (UI:N) and low attack complexity (AC:L). Despite the high confidentiality impact in the CVSS vector, EPSS sits at just 0.36% (28th percentile) and SSVC confirms exploitation as 'none' and the attack as not automatable, placing this firmly in the category of a patch-cycle priority rather than an emergency response. No public exploit has been identified at time of analysis.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +14
NVD VulDB
CVSS 3.1
5.5
EPSS
0.4%
CVE-2026-58640 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation via a heap-based buffer overflow in the Windows NTFS driver allows an authenticated attacker with low privileges to execute arbitrary code and gain full SYSTEM-level control. It 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. No public exploit identified at time of analysis, and SSVC records no observed exploitation; EPSS is low at 0.29% (21st percentile).

Heap Overflow Buffer Overflow Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +17
NVD VulDB
CVSS 3.1
7.8
EPSS
0.3%
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-2026-49172 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-2026-48571 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows App Installer (the AppX/MSIX deployment component) lets a low-privileged but authenticated user corrupt memory via a use-after-free (CWE-416) and gain higher privileges on the host. The flaw affects Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025, was reported by Microsoft, and has a vendor patch available. There is no public exploit identified at time of analysis and it is not on CISA KEV, though the CVSS 7.0 rating and full C/I/A impact make it a meaningful patch-cycle priority.

Use After Free Memory Corruption Denial Of Service Microsoft Windows 11 Version 23H2 +5
NVD VulDB
CVSS 3.1
7.0
EPSS
0.2%
CVE-2026-48572 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows App Installer (App Installer / MSIX handler) on Windows 11 (23H2 through 26H1) and Windows Server 2025 lets an already-authenticated local attacker win a timing race to elevate to higher privileges. The flaw stems from improper synchronization of a shared resource during concurrent execution, and Microsoft has released a patch. No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Microsoft Race Condition Information Disclosure Windows 11 Version 23H2 Windows 11 Version 24H2 +4
NVD VulDB
CVSS 3.1
7.0
EPSS
0.2%
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 VulDB
CVSS 3.1
9.8
EPSS
0.7%
CVE-2026-34346 MEDIUM PATCH Exploit Unlikely This Month

Cleartext transmission of sensitive information in the Windows Ancillary Function Driver for WinSock (afd.sys) enables a locally authenticated, low-privilege attacker to intercept or read sensitive data that the driver handles without adequate protection. Affected platforms span Windows 10 (multiple versions), Windows 11, and Windows Server 2012 through 2025 as confirmed by EUVD version data and Microsoft CPE strings. No public exploit has been identified at time of analysis, EPSS is extremely low at 0.21% (11th percentile), and CISA SSVC classifies this as no active exploitation with non-automatable attack paths, positioning this as a low-urgency but meaningful local disclosure risk.

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-2026-42982 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-2026-41097 MEDIUM PATCH Exploit Unlikely This Month

Windows Secure Boot bypass across Windows 10 version 1809 through Windows 11 version 26H1 and multiple Windows Server editions allows an authorized local administrator to circumvent boot-time integrity protections by exploiting a non-updateable boot chain component. A successful attacker can subvert the UEFI Secure Boot trust chain to load unsigned or malicious code at the pre-OS stage, enabling persistent bootkit or rootkit implantation that survives OS reinstallation. No public exploit code has been identified and CISA SSVC reports no active exploitation, though the SSVC technical impact rating of 'total' correctly reflects full defeat of the boot integrity boundary.

Microsoft Authentication Bypass Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 +11
NVD VulDB
CVSS 3.1
6.7
EPSS
0.2%
CVE-2026-40413 HIGH PATCH Exploit Unlikely This Week

Remote denial of service in the Windows TCP/IP stack lets an unauthorized adjacent-network attacker crash affected systems by triggering a NULL pointer dereference (CWE-476) via crafted network traffic. Reported by Microsoft and patched across the Windows 10, Windows 11, and Windows Server 2012-2025 families, the flaw requires no authentication or user interaction but is limited to attackers on the same logical network segment. EPSS is low (0.14%, 34th percentile) and CISA SSVC lists exploitation as none, so this is a real-but-not-urgent patch item with no public exploit identified at time of analysis.

Denial Of Service Microsoft Null Pointer Dereference Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.4
EPSS
0.1%
CVE-2026-40403 HIGH PATCH NEWS Exploit Unlikely This Week

Local privilege escalation in the Win32K GRFX (graphics) subsystem of Microsoft Windows allows an authenticated, low-privileged user to execute arbitrary code in the kernel context via a heap-based buffer overflow. All currently supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through 2025) are affected. There is no public exploit identified at time of analysis, and EPSS probability is very low (0.02%), but the total technical impact and low exploitation barrier make it a meaningful patch-priority for endpoint hardening.

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
8.8
EPSS
0.0%
CVE-2026-40402 CRITICAL PATCH NEWS Exploit Unlikely Act Now

Local privilege escalation in Microsoft Windows Hyper-V (Windows 11 22H3/23H2 and Windows Server 2022) stems from a use-after-free memory corruption flaw that lets an attacker executing code in a guest context elevate privileges with a scope-changing impact on the host. Microsoft has released fixed builds and rates this critical (CVSS 9.3, total technical impact per CISA SSVC), but there is no public exploit identified at time of analysis and EPSS probability is very low (0.04%). The scope change (S:C) combined with the Hyper-V attack surface is consistent with a guest-to-host virtualization boundary escape.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 11 Version 22H3 +2
NVD VulDB
CVSS 3.1
9.3
EPSS
0.0%
CVE-2026-40401 HIGH PATCH This Week

Local denial of service in Microsoft Windows TCP/IP networking stack allows an unauthorized local attacker to trigger a null pointer dereference (CWE-476), crashing the system or causing broad service disruption. All supported Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Server 2025 are affected. Reported by Microsoft, this is a crash/availability issue only - no code execution or data exposure - with no public exploit identified at time of analysis and a very low (0.05%) EPSS exploitation probability.

Denial Of Service Microsoft Null Pointer Dereference Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.1
EPSS
0.1%
CVE-2026-40398 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Remote Desktop component (CWE-122 heap-based buffer overflow) allows an authenticated low-privileged user to gain SYSTEM-level control across virtually all supported Windows client and server releases, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. Microsoft has released patches; there is no public exploit identified at time of analysis and EPSS exploitation probability is very low (0.04%), consistent with CISA SSVC rating exploitation as 'none'. The flaw is a serious defense-in-depth concern because it grants total confidentiality, integrity, and availability impact once a foothold exists, but it is not remotely reachable and requires prior local access.

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-32209 MEDIUM PATCH This Month

Windows Filtering Platform (WFP) on affected Windows 10, Windows 11, and Windows Server releases exposes an improper access control flaw (CWE-284) that enables a locally authenticated, low-privileged attacker to bypass a host-based security feature. The bypass is limited to confidentiality and integrity impacts (no availability), scoped to the vulnerable system, and requires no user interaction once local execution is established. No public exploit code exists and CISA has not added this to the KEV catalog; EPSS at 0.04% (11th percentile) and SSVC exploitation status of 'none' corroborate the low probability of near-term opportunistic weaponization.

Microsoft Authentication Bypass Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
4.4
EPSS
0.0%
CVE-2026-40397 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Common Log File System (CLFS) driver lets an already-authenticated low-privileged user gain SYSTEM-level rights on affected Windows client and server builds by triggering an integer underflow (CWE-191) in the driver's log-file parsing. The flaw yields total confidentiality, integrity, and availability impact on the local machine. There is no public exploit identified at time of analysis, EPSS risk is low (0.06%, 19th percentile), and CISA SSVC records exploitation status as none - but CLFS is a historically heavily-targeted attack surface, so patching is warranted.

Integer Overflow Information Disclosure Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-40382 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows Telephony Service (TAPI) lets an already-authenticated low-privileged user corrupt kernel/service memory via a use-after-free and gain elevated (typically SYSTEM-level) privileges across nearly all supported Windows client and server releases. Microsoft has released patches, and the flaw carries a total technical-impact rating (SSVC), though EPSS is very low (0.04%) and there is no public exploit identified at time of analysis. It is not on CISA KEV, indicating no confirmed active exploitation.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-34341 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Link-Layer Discovery Protocol (LLDP) component affects a broad range of Windows client and server builds, where a CWE-415 double-free condition can be leveraged by an already-authenticated low-privileged user to gain higher privileges. The flaw was reported by Microsoft and is addressed in the July 2026 servicing updates; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. EPSS is negligible (0.04%, 12th percentile), consistent with the high attack complexity (AC:H) and local-only vector.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-34340 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Projected File System (ProjFS) affects the full supported Windows line — Windows 10 (1809/21H2/22H2), Windows 11 (22H3 through 26H1), and Windows Server 2019/2022/2025 — where a use-after-free (CWE-416) lets an authenticated local user corrupt kernel/service memory and elevate to higher privileges. Microsoft-reported and patched, the flaw carries total technical impact per CISA SSVC but has no public exploit identified at time of analysis and a very low EPSS (0.04%). The high attack complexity (AV:L/AC:H) reflects a race-condition-style UAF that is non-trivial to win reliably.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1809 +13
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-34339 MEDIUM PATCH Exploit Unlikely This Month

Null pointer dereference in the Windows LDAP (Lightweight Directory Access Protocol) component enables a low-privileged local attacker to crash the LDAP service, causing a denial of service on all affected Windows 10, Windows 11, and Windows Server releases. The vulnerability carries a CVSS 3.1 score of 5.5 with a strictly local attack vector (AV:L/PR:L), confining impact to availability only - no data exfiltration or code execution is possible. With EPSS at 0.04% (11th percentile), SSVC exploitation status of 'none,' no KEV listing, and no public exploit identified, real-world exploitation risk is currently low despite the enormous Windows install base.

Denial Of Service Microsoft Null Pointer Dereference Windows 10 Version 1607 Windows 10 Version 1809 +15
NVD VulDB
CVSS 3.1
5.5
EPSS
0.0%
CVE-2026-34338 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Telephony Service (TAPI) affects a broad range of Windows client and server releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. An authenticated local attacker can exploit a use-after-free (CWE-416) memory-corruption flaw to gain SYSTEM-level privileges; there is no public exploit identified at time of analysis and EPSS is very low (0.04%), but the CVSS 3.1 base score is 7.8 with total technical impact per CISA SSVC.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-34337 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) lets an authenticated low-privileged user corrupt kernel memory via a use-after-free and gain SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server builds. Microsoft has released fixes, but SSVC reports no observed exploitation and EPSS is very low (0.04%), so this is a patch-on-schedule kernel EoP rather than an emergency; no public exploit identified at time of analysis. Because Cloud Files underpins OneDrive/cloud sync placeholders, the driver is present on effectively every modern Windows install.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1809 +13
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-34336 HIGH PATCH This Week

Local information disclosure in the Microsoft Windows Desktop Window Manager (DWM) Core Library affects a broad range of Windows 10, Windows 11 (through 26H1), and Windows Server (2016-2025) builds, where a buffer over-read (CWE-126) lets an already-authenticated local attacker read adjacent process memory. Microsoft's CVSS 7.8 vector rates full confidentiality, integrity, and availability impact even though the description characterizes the outcome as information disclosure, so the leaked memory could plausibly aid further local escalation. There is no public exploit identified at time of analysis, EPSS is negligible (0.04%), and CISA SSVC marks exploitation as none, but a vendor patch is available.

Microsoft Buffer Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +14
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-34334 HIGH PATCH This Week

Local privilege escalation in the Microsoft Windows TCP/IP networking stack allows an already-authenticated attacker to win a race condition and elevate to SYSTEM-level privileges across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Exploitation requires local, low-privileged access rather than remote reach, and Microsoft rates the technical impact as total (full confidentiality, integrity, and availability loss). There is no public exploit identified at time of analysis and EPSS probability is very low (0.04%), consistent with CISA SSVC marking exploitation as none and not automatable.

Microsoft Race Condition Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-33838 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Message Queuing (MSMQ) allows an authenticated low-privileged user to corrupt kernel/service memory through a double free (CWE-415) and elevate to SYSTEM. It affects a broad range of Windows client and server releases from Windows Server 2012/Windows 10 1607 through Windows 11 26H1 and Windows Server 2025 where the MSMQ feature is installed. There is no public exploit identified at time of analysis, EPSS is very low (0.04%), and CISA SSVC records no known exploitation, though the technical impact is rated total.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-33837 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Microsoft Windows TCP/IP stack (tcpip.sys) lets an already-authenticated low-privileged user corrupt heap memory to gain SYSTEM-level control across virtually all supported Windows client and server releases. Microsoft assigns CVSS 7.8 and reports total technical impact, but SSVC exploitation status is 'none' and EPSS is only 0.06% (18th percentile), and there is no public exploit identified at time of analysis. Microsoft has released a patch via the Security Update Guide.

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-33835 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) allows an authenticated low-privileged user to elevate to SYSTEM by triggering a use-after-free memory-corruption condition. The flaw was reported by Microsoft and affects a broad range of Windows 10, Windows 11, and Windows Server builds; a vendor patch is available. There is no public exploit identified at time of analysis, and EPSS exploitation probability is very low (0.06%).

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1809 +13
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-42825 HIGH PATCH This Week

Local privilege escalation in the Microsoft Windows Telephony Service (TAPI) lets an already-authenticated, low-privileged user corrupt kernel/service memory via a use-after-free and gain elevated privileges across virtually all supported Windows client and server builds. Microsoft has released a patch, and there is no public exploit identified at time of analysis; EPSS is negligible (0.04%) and CISA's SSVC rates exploitation as none, indicating this is a defense-in-depth fix rather than an emergency. The flaw is high-value as a post-compromise escalation primitive but requires local code execution and winning a race condition to trigger.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-32170 MEDIUM PATCH Exploit Unlikely This Month

Privilege escalation via double free in the Windows Rich Text Edit Control (RichEdit) affects an exceptionally broad range of Microsoft platforms, spanning Windows 10 versions 1607 through 22H2, all current Windows 11 branches through 26H1, and Windows Server 2012 through Server 2025. A low-privileged local attacker who can induce user interaction with crafted RTF content can corrupt heap memory to achieve full compromise of confidentiality, integrity, and availability - consistent with the SSVC 'total technical impact' rating. No public exploit code exists and no active exploitation has been identified (not in CISA KEV), and the EPSS score of 0.05% at the 16th percentile reflects a minimal current exploitation signal; however, the sheer scale of the affected Windows install base keeps this relevant for enterprise patch cadence. A notable discrepancy exists: the CVE tags classify this as 'Information Disclosure,' which conflicts with Microsoft's own description of local privilege elevation - the CVSS C:H/I:H/A:H impact metrics and SSVC total-impact rating support the privilege escalation characterization, suggesting the tag is erroneous.

Microsoft Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
6.7
EPSS
0.1%
CVE-2026-32161 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in the Windows Native WiFi Miniport Driver allows an unauthorized attacker on an adjacent network to win a timing race and run arbitrary code on affected Windows 10, Windows 11, and Windows Server systems. The flaw stems from improper synchronization of a shared resource in the kernel-mode wireless driver and carries a total (C:H/I:H/A:H) technical impact. No public exploit has been identified and EPSS is very low (0.07%), but successful exploitation grants full kernel-level compromise without authentication.

Authentication Bypass Microsoft Race Condition Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-41096 CRITICAL PATCH NEWS Act Now

Remote code execution in Microsoft Windows DNS lets an unauthenticated attacker corrupt heap memory over the network and run arbitrary code on affected Windows 11 (22H3 through 26H1) and Windows Server 2022/2025 systems. The flaw is a CWE-122 heap-based buffer overflow rated CVSS 9.8, reported by Microsoft with a patch available; there is no public exploit identified at time of analysis, and the EPSS score is very low (0.07%), so this is a high-severity but not-yet-exploited issue. CISA SSVC flags it as automatable with total technical impact, meaning successful exploitation fully compromises the host.

Buffer Overflow Microsoft Heap Overflow Windows 11 Version 22H3 Windows 11 Version 23H2 +6
NVD VulDB
CVSS 3.1
9.8
EPSS
0.1%
CVE-2026-41088 HIGH PATCH This Week

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an already-authenticated low-privileged user to elevate to SYSTEM across Windows 10, Windows 11 (21H2 through 26H1), and Windows Server 2022/2025. The flaw stems from external control of a file name or path (CWE-73) inside the kernel-mode WinSock support driver, yielding total confidentiality, integrity, and availability impact per CVSS 7.8. There is no public exploit identified at time of analysis, EPSS is very low (0.07%), and CISA SSVC records exploitation as none, but the total technical impact and near-universal Windows footprint make it a standard Patch Tuesday priority.

Microsoft Information Disclosure Windows 10 Version 21H2 Windows 10 Version 22H2 Windows 11 Version 22H3 +8
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-40415 HIGH PATCH This Week

Remote code execution in the Microsoft Windows TCP/IP stack allows an unauthenticated network attacker to trigger a use-after-free (CWE-416) and run arbitrary code on a wide range of Windows 10, Windows 11, and Windows Server builds. The flaw carries CVSS 8.1 but requires winning a memory-corruption race (AC:H), and there is no public exploit identified at time of analysis; EPSS is very low at 0.09% and CISA SSVC lists exploitation as none. A vendor patch is available from Microsoft.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1809 +13
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-40414 HIGH PATCH This Week

Denial of service in the Microsoft Windows TCP/IP networking stack allows an unauthenticated, adjacent-network attacker to crash the host by triggering a null pointer dereference (CWE-476) during packet processing, with no user interaction required. The flaw affects essentially the entire supported Windows client and server lineup, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. There is no public exploit identified at time of analysis, and the low EPSS score (0.14%) plus CISA SSVC 'Exploitation: none' indicate no observed exploitation despite the broad footprint.

Denial Of Service Microsoft Null Pointer Dereference Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.4
EPSS
0.1%
CVE-2026-40410 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows SMB Client (mrxsmb/rdbss) driver lets a low-privileged, authenticated user corrupt kernel memory through a use-after-free (CWE-416) and elevate to SYSTEM. The flaw affects a broad range of Windows client and server builds from Windows Server 2012 R2 through Windows 11 25H2/26H1 and Server 2025. There is no public exploit identified at time of analysis, EPSS is very low (0.04%), and CISA SSVC rates exploitation as 'none' - but technical impact is 'total', so it remains a meaningful patch-Tuesday-class local EoP.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +18
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-40408 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Kernel-Mode Drivers allows an already-authenticated attacker to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory-corruption condition. All supported Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Windows Server 2025 are affected, but there is no public exploit identified at time of analysis and EPSS probability is very low (0.04%). Microsoft has released patches and CISA's SSVC framework rates exploitation as 'none' with total technical impact.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-40407 HIGH PATCH This Week

Local privilege escalation in the Windows Common Log File System (CLFS) driver lets an already-authenticated low-privileged user corrupt heap memory to gain SYSTEM-level control across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Server 2012 through Server 2025). Exploitation is CVSS 7.8 with total technical impact per CISA SSVC, but SSVC records no observed exploitation and EPSS is very low (0.04%), and no public exploit was identified at time of analysis. A vendor patch is available from Microsoft (MSRC).

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-40406 HIGH PATCH Exploit Unlikely This Week

Information disclosure in the Windows TCP/IP networking stack allows a remote, unauthenticated attacker to read sensitive memory contents over the network by triggering a use-after-free condition. All supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025) are affected. Microsoft-reported with no public exploit identified at time of analysis; EPSS is low (0.06%, 19th percentile) and CISA SSVC records exploitation status as none.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-40399 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows TCP/IP networking stack allows an authorized (low-privileged) attacker to run code with SYSTEM-level rights by triggering a stack-based buffer overflow (CWE-121). The flaw affects a broad range of Windows 10, Windows 11, and Windows Server releases and carries a CVSS 7.8 with total technical impact per CISA SSVC. There is no public exploit identified at time of analysis, EPSS is very low (0.06%, 19th percentile), and it is not listed in CISA KEV, indicating no observed exploitation to date.

Microsoft Stack Overflow Buffer Overflow Windows 10 Version 1607 Windows 10 Version 1809 +15
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-40380 MEDIUM PATCH Exploit Unlikely This Month

Heap-based buffer overflow in the Windows Volume Manager Extension Driver enables an authorized attacker with physical device access to execute arbitrary code, achieving full system compromise across a broad range of Windows 10, Windows 11, and Windows Server editions. Affected product versions span from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, per EUVD-2026-29656 data. No active exploitation has been confirmed (not in CISA KEV), and EPSS at 0.07% (22nd percentile) reflects the extremely low probability of widespread exploitation given the dual prerequisite of physical presence and high-privilege credentials.

Buffer Overflow Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
6.2
EPSS
0.1%
CVE-2026-40377 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Cryptographic Services lets an authenticated low-privileged user corrupt heap memory (CWE-122) to gain SYSTEM-level control across supported Windows 10, Windows 11, and Windows Server builds. There is no public exploit identified at time of analysis and EPSS is very low (0.04%), but SSVC rates the technical impact as total, and Microsoft has released patches. Because it requires prior local access, it is a post-compromise escalation primitive rather than an initial-access threat.

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-35424 HIGH PATCH This Week

Denial of service in the Windows Internet Key Exchange (IKE) protocol implementation allows remote unauthenticated attackers to exhaust host memory across all supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through Server 2025). The flaw is a memory leak (CWE-401) triggered over the network with no privileges or user interaction, but impact is limited to availability with no data exposure. There is no public exploit identified at time of analysis, and EPSS exploitation probability is very low (0.08%, 23rd percentile).

Microsoft Authentication Bypass Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-35423 MEDIUM PATCH This Month

Out-of-bounds read in the Windows Telnet Client exposes memory contents and minor availability degradation to network-based attackers who control a Telnet server endpoint. Affected systems span Windows 10 (1607 through 22H2), Windows 11 (22H3 through 26H1), and Windows Server 2012 through 2025, all requiring user interaction to initiate a Telnet session against a malicious server. No public exploit identified at time of analysis and no active exploitation confirmed (not in CISA KEV); EPSS stands at 0.05% (16th percentile), reinforcing that real-world exploitation risk is low despite the broad platform footprint.

Buffer Overflow Information Disclosure Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
5.4
EPSS
0.1%
CVE-2026-35422 MEDIUM PATCH This Month

Windows TCP/IP stack allows a low-privilege network-authenticated attacker to bypass a security feature by exploiting an alternate path or channel (CWE-288), resulting in a high-integrity impact without requiring user interaction. Affected scope spans Windows 10 (versions 1607 through 22H2), Windows 11 (versions 22H3 through 26H1), and Windows Server 2012 through Server 2025, making the exposure footprint extremely broad. No public exploit code exists and no active exploitation is confirmed at time of analysis; EPSS at 0.06% (18th percentile) and SSVC classification of 'exploitation: none, automatable: no' indicate low near-term weaponization risk despite the wide attack surface.

Microsoft Authentication Bypass Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
6.5
EPSS
0.1%
CVE-2026-35421 HIGH PATCH NEWS This Week

Local code execution in the Windows Graphics Device Interface (GDI) component affects a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Server 2025. An attacker who convinces a user to open a maliciously crafted file or content triggers a heap-based buffer overflow (CWE-122) in GDI, running arbitrary code in the victim's context with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis, EPSS is very low (0.06%), and CISA SSVC records no known exploitation, so this is a patch-on-cycle item rather than an emergency.

Buffer Overflow Microsoft Heap Overflow Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-35418 HIGH PATCH This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) lets an already-authenticated low-privileged user corrupt kernel memory via a use-after-free and gain SYSTEM-level control across supported Windows 10, Windows 11 (through 26H1) and Windows Server 2019-2025 builds. Microsoft has released fixes; there is no public exploit identified at time of analysis, EPSS risk is very low (0.04%), and it is not listed in CISA KEV. Despite 'Denial Of Service' tagging, the CVSS vector rates full confidentiality, integrity and availability impact, consistent with a kernel EoP.

Denial Of Service Memory Corruption Microsoft Use After Free Windows 10 Version 1809 +13
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-35417 HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem (ICOMP component) lets an already-authenticated low-privileged attacker gain SYSTEM-level control across a broad range of supported Windows client and server builds. The flaw is a type-confusion (CWE-843) memory-corruption issue reported by Microsoft; there is no public exploit identified at time of analysis and the EPSS probability is low (0.11%), but SSVC rates the technical impact as total. This is a standard Patch-Tuesday-class kernel EoP whose value is as the second stage of an intrusion after an attacker already has a foothold.

Memory Corruption Microsoft Information Disclosure Windows 10 Version 1809 Windows 10 Version 21H2 +12
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-33841 HIGH PATCH Exploit Likely This Week

Local privilege escalation in Windows Kernel across Windows 10, Windows 11 (versions 22H3 through 26H1), and Windows Server 2022 allows authenticated local attackers to gain SYSTEM-level privileges through heap corruption. Microsoft has released patches addressing this CWE-122 heap-based buffer overflow. EPSS data not available for risk quantification, and no CISA KEV listing indicates exploitation has not been publicly confirmed, though the vulnerability's low attack complexity (AC:L) and minimal prerequisites (PR:L) make it attractive for post-compromise privilege escalation in targeted attacks.

Heap Overflow Microsoft Buffer Overflow Windows 10 Version 21H2 Windows 10 Version 22H2 +9
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-33829 MEDIUM POC PATCH This Month

Windows Snipping Tool leaks sensitive information to unauthenticated network attackers via user interaction, enabling spoofing attacks. The vulnerability affects Windows 10 (versions 1607, 1809, 21H2, 22H2) and Windows 11 (versions 22H3, 23H2, 24H2, 25H2, 26H1), as well as Windows Server 2012 through 2025. Microsoft has released patches for all affected versions; exploitation requires user interaction but no specialized technical knowledge.

Information Disclosure Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB GitHub Exploit-DB
CVSS 3.1
4.3
EPSS
0.1%
CVE-2026-33824 CRITICAL POC KEV PATCH THREAT NEWS Exploit Unlikely Act Now

Remote code execution in Windows IKE Extension (Internet Key Exchange) via double free memory corruption allows unauthenticated network attackers to execute arbitrary code on Windows 10 (1607-22H2), Windows 11 (22H3-26H1), and Windows Server (2016-2025). CVSS 9.8 critical severity with network vector requiring no authentication or user interaction. Vendor patch released by Microsoft addresses CWE-415 double free weakness. EPSS score of 0.07% (21st percentile) suggests low observed exploitation probability despite critical severity rating, indicating this may be a targeted or difficult-to-exploit vulnerability in production environments. No CISA KEV listing or public POC identified at time of analysis.

Authentication Bypass Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +14
NVD VulDB
CVSS 3.1
9.8
EPSS
0.1%
Threat
5.0
CVE-2026-33827 HIGH PATCH NEWS Exploit Unlikely This Week

Remote code execution in Windows TCP/IP networking stack across Windows 10, 11, and Server versions allows unauthenticated network attackers to execute arbitrary code by exploiting a race condition in shared resource synchronization. The vulnerability affects all supported Windows versions from Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has released patches addressing this high-severity flaw (CVSS 8.1). No public exploit identified at time of analysis, though SSVC assessment

Authentication Bypass Race Condition Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
8.1
EPSS
0.1%
CVE-2026-33104 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Win32K graphics subsystem (Win32K-GRFX) allows authenticated attackers with low privileges to gain SYSTEM-level access by exploiting a race condition during concurrent resource access. Affects all supported Windows 10, Windows 11, and Windows Server versions from 2012 through 2025. Microsoft has released patches addressing this CWE-362 synchronization flaw. No public exploit identified at time of analysis, though the local attack vector and high complexity (

Information Disclosure Race Condition Microsoft Windows 10 Version 1607 Windows 10 Version 1809 +19
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-33100 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Ancillary Function Driver for WinSock (AFD.sys) affects all supported Windows 10, Windows 11, and Windows Server versions from 2012 through 2025. The CWE-416 use-after-free memory corruption flaw allows low-privileged authenticated attackers with local access to elevate to SYSTEM privileges, achieving complete control over confidentiality, integrity, and availability. SSVC framework rates this as non-automatable with total technical impact. No public exploit

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1607 +20
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-33099 HIGH PATCH Exploit Unlikely This Week

Local privilege escalation via use-after-free in Windows Ancillary Function Driver for WinSock (AFD.sys) allows authenticated low-privileged attackers to execute arbitrary code with SYSTEM privileges across all supported Windows versions. Microsoft has released patches for Windows 10 (versions 1607-22H2), Windows 11 (versions 22H3-25H2), and Windows Server (2012-2022 23H2). The vulnerability requires local access and low privileges (PR:L) with high attack complexity (AC:H), but no public exploit

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1607 +17
NVD VulDB
CVSS 3.1
7.0
EPSS
0.0%
CVE-2026-32225 HIGH PATCH Exploit Likely This Week

Windows Shell security feature bypass enables unauthenticated remote attackers to defeat protection mechanisms across all supported Windows client and server versions (Windows 10 1607 through Windows 11 26H1, Server 2012 through Server 2025) via network-based attack requiring user interaction. The CVSS 8.8 rating reflects complete compromise potential (high confidentiality, integrity, and availability impact) despite low attack complexity. Microsoft has released patches addressing this authentic

Authentication Bypass Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB
CVSS 3.1
8.8
EPSS
0.1%
CVE-2026-32153 HIGH PATCH Exploit Unlikely This Week

Use-after-free in Microsoft Windows Speech component enables local privilege escalation to SYSTEM on Windows 10 (versions 1809, 21H2, 22H2) and Windows 11 (versions 22H3 through 26H1). Authenticated local attackers with low privileges can exploit memory corruption to gain full system control with low attack complexity and no user interaction required. CVSS 7.8 (High). Vendor-released patches available for all affected versions. No public exploit identified at time of analysis, though the straigh

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1809 +7
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-33098 HIGH PATCH This Week

Local privilege escalation in Windows Container Isolation FS Filter Driver affects all supported Windows 10, Windows 11, and Windows Server versions through use-after-free memory corruption. Low-complexity attack requires only low-privileged local access to achieve full system compromise (SYSTEM-level privileges). Microsoft has released patches for all affected versions. No public exploit identified at time of analysis, but the low attack complexity (AC:L) and requirement for only low privileges

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1607 +16
NVD VulDB
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-33096 HIGH PATCH Exploit Unlikely This Week

Denial of service in Windows HTTP.sys kernel-mode driver allows unauthenticated remote attackers to crash affected systems via malformed HTTP requests. Affects all currently supported Windows 11 versions (22H2 through 26H1) and Windows Server 2022/2025 editions. The vulnerability stems from an out-of-bounds read (CWE-125) triggered when HTTP.sys processes specially crafted network packets without authentication (CVSS AV:N/PR:N). Vendor-released patches available for all affected versions with specific build numbers identified. No public exploit identified at time of analysis, though low attack complexity (AC:L) suggests straightforward exploitation once technical details emerge.

Buffer Overflow Information Disclosure Microsoft Windows 11 Version 22H3 Windows 11 Version 23H2 +7
NVD VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-32202 MEDIUM POC KEV PATCH THREAT Exploit Likely Act Now

Windows Shell protection mechanism failure (CVE-2026-32202) allows remote attackers to perform spoofing attacks over a network without authentication, requiring only user interaction. This low-severity vulnerability affects multiple Windows versions from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. While not actively exploited in the wild, vendor patches are available across all affected versions, and the low CVSS score (4.3) reflects limited confidentiality impact and no availability impact despite the network-accessible attack vector.

Authentication Bypass Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 +18
NVD VulDB GitHub Exploit-DB
CVSS 3.1
4.3
EPSS
0.1%
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Privilege escalation in the Windows Telephony Service (TapiSrv) allows an authenticated local attacker with low-privilege access to gain SYSTEM-level privileges by exploiting a race condition in how the service handles concurrent access to shared resources. Affected products span Windows 10 (multiple feature releases), Windows 11, and Windows Server 2012 through 2025, representing a broad swath of the Microsoft ecosystem. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but a vendor patch is available via the Microsoft Security Response Center.

Information Disclosure Race Condition Microsoft +19
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Local privilege escalation in the Windows DirectX graphics subsystem allows an authenticated attacker with low privileges to elevate to SYSTEM 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 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, and it is not listed in CISA KEV; the CVSS 3.1 base score is 7.0 (High), tempered by high attack complexity.

Use After Free Memory Corruption Denial Of Service +20
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Local privilege elevation in the Windows WebView component 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). By triggering a use-after-free (CWE-416) memory-corruption condition, an already-authenticated low-privilege attacker can execute code in a higher-privilege context, yielding full confidentiality, integrity, and availability impact on the local system. 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 +13
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local code execution in Microsoft Windows NTFS (the New Technology File System driver) arises from a heap-based buffer overflow that lets an attacker run arbitrary code with the privileges of the affected process. The flaw affects a broad swath of supported Windows client and server builds, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft (the reporter) has shipped a patch; there is no public exploit identified at time of analysis, and the CVSS vector requires local access plus user interaction, so it is a privilege-escalation/code-execution primitive rather than a remotely-wormable bug.

Heap Overflow Buffer Overflow Microsoft +19
NVD
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Push Notifications component (WPN) affects Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025 including Server Core, where a race condition (CWE-362) lets an authorized local user win a timing window on a shared resource to run code at a higher privilege level. Microsoft reported the issue and has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Note a signal conflict: the description and CVSS impact frame this as privilege elevation, while the vendor tags also list 'Information Disclosure' - the primary impact should be treated as EoP pending vendor clarification.

Microsoft Race Condition Information Disclosure +6
NVD VulDB
EPSS 1% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Denial of service in the Windows Local Security Authority Subsystem Service (LSASS) allows a remote, unauthenticated attacker to crash the service and disrupt authentication across all supported Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. The flaw stems from an excessive-size memory allocation (CWE-789) triggerable over the network with no privileges or user interaction, and while a vendor patch is available, there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Impact is limited to availability (A:H) with no confidentiality or integrity loss, but LSASS failure can force system instability or reboots, affecting domain authentication and logon.

Authentication Bypass Microsoft Windows 10 Version 1607 +18
NVD VulDB
EPSS 1% CVSS 6.5
MEDIUM PATCH Exploit Unlikely This Month

Windows Event Logging Service across a wide range of Windows 10, Windows 11, and Windows Server versions fails to enforce its intended protection mechanisms, permitting any authenticated low-privileged network user to read information that should be access-controlled. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) confirms exploitation requires only a valid low-privilege account and network connectivity, with no user interaction and no elevated rights - making it a practical post-compromise lateral-movement or reconnaissance tool. No public exploit code has been identified and this CVE is not listed in CISA KEV at time of analysis, but the ubiquitous deployment footprint across the Windows ecosystem elevates organizational exposure.

Microsoft Information Disclosure Windows 10 Version 1809 +11
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Windows Audio Service on multiple Windows desktop and server versions improperly exposes sensitive information to locally authenticated standard users, enabling information disclosure without requiring elevated privileges. Affecting Windows 10 1809 through Windows 11 26H1 and Windows Server 2019 (with Server 2022 and 2025 referenced in tags), the flaw is exploitable post-foothold by any low-privileged local account, making it a realistic post-exploitation pivot rather than an initial access vector. No public exploit code has been identified at time of analysis, and a vendor-released patch is confirmed available via the Microsoft Security Response Center.

Microsoft Information Disclosure Windows 10 Version 1809 +11
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Windows File Explorer on virtually all supported Microsoft Windows desktop and server editions leaks sensitive information to locally authenticated low-privileged users, classified under CWE-200. The flaw allows a local attacker holding only a standard account to access data that should be restricted to higher-privileged processes - with no user interaction required (UI:N) and low attack complexity (AC:L). Despite the high confidentiality impact in the CVSS vector, EPSS sits at just 0.36% (28th percentile) and SSVC confirms exploitation as 'none' and the attack as not automatable, placing this firmly in the category of a patch-cycle priority rather than an emergency response. No public exploit has been identified at time of analysis.

Microsoft Information Disclosure Windows 10 Version 1607 +16
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation via a heap-based buffer overflow in the Windows NTFS driver allows an authenticated attacker with low privileges to execute arbitrary code and gain full SYSTEM-level control. It 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. No public exploit identified at time of analysis, and SSVC records no observed exploitation; EPSS is low at 0.29% (21st percentile).

Heap Overflow Buffer Overflow Microsoft +19
NVD VulDB
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 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 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows App Installer (the AppX/MSIX deployment component) lets a low-privileged but authenticated user corrupt memory via a use-after-free (CWE-416) and gain higher privileges on the host. The flaw affects Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025, was reported by Microsoft, and has a vendor patch available. There is no public exploit identified at time of analysis and it is not on CISA KEV, though the CVSS 7.0 rating and full C/I/A impact make it a meaningful patch-cycle priority.

Use After Free Memory Corruption Denial Of Service +7
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows App Installer (App Installer / MSIX handler) on Windows 11 (23H2 through 26H1) and Windows Server 2025 lets an already-authenticated local attacker win a timing race to elevate to higher privileges. The flaw stems from improper synchronization of a shared resource during concurrent execution, and Microsoft has released a patch. No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Microsoft Race Condition Information Disclosure +6
NVD VulDB
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 VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Cleartext transmission of sensitive information in the Windows Ancillary Function Driver for WinSock (afd.sys) enables a locally authenticated, low-privilege attacker to intercept or read sensitive data that the driver handles without adequate protection. Affected platforms span Windows 10 (multiple versions), Windows 11, and Windows Server 2012 through 2025 as confirmed by EUVD version data and Microsoft CPE strings. No public exploit has been identified at time of analysis, EPSS is extremely low at 0.21% (11th percentile), and CISA SSVC classifies this as no active exploitation with non-automatable attack paths, positioning this as a low-urgency but meaningful local disclosure risk.

Microsoft Information Disclosure Windows 10 Version 1607 +18
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 6.7
MEDIUM PATCH Exploit Unlikely This Month

Windows Secure Boot bypass across Windows 10 version 1809 through Windows 11 version 26H1 and multiple Windows Server editions allows an authorized local administrator to circumvent boot-time integrity protections by exploiting a non-updateable boot chain component. A successful attacker can subvert the UEFI Secure Boot trust chain to load unsigned or malicious code at the pre-OS stage, enabling persistent bootkit or rootkit implantation that survives OS reinstallation. No public exploit code has been identified and CISA SSVC reports no active exploitation, though the SSVC technical impact rating of 'total' correctly reflects full defeat of the boot integrity boundary.

Microsoft Authentication Bypass Windows 10 Version 1809 +13
NVD VulDB
EPSS 0% CVSS 7.4
HIGH PATCH Exploit Unlikely This Week

Remote denial of service in the Windows TCP/IP stack lets an unauthorized adjacent-network attacker crash affected systems by triggering a NULL pointer dereference (CWE-476) via crafted network traffic. Reported by Microsoft and patched across the Windows 10, Windows 11, and Windows Server 2012-2025 families, the flaw requires no authentication or user interaction but is limited to attackers on the same logical network segment. EPSS is low (0.14%, 34th percentile) and CISA SSVC lists exploitation as none, so this is a real-but-not-urgent patch item with no public exploit identified at time of analysis.

Denial Of Service Microsoft Null Pointer Dereference +21
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Win32K GRFX (graphics) subsystem of Microsoft Windows allows an authenticated, low-privileged user to execute arbitrary code in the kernel context via a heap-based buffer overflow. All currently supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through 2025) are affected. There is no public exploit identified at time of analysis, and EPSS probability is very low (0.02%), but the total technical impact and low exploitation barrier make it a meaningful patch-priority for endpoint hardening.

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 9.3
CRITICAL PATCH Exploit Unlikely Act Now

Local privilege escalation in Microsoft Windows Hyper-V (Windows 11 22H3/23H2 and Windows Server 2022) stems from a use-after-free memory corruption flaw that lets an attacker executing code in a guest context elevate privileges with a scope-changing impact on the host. Microsoft has released fixed builds and rates this critical (CVSS 9.3, total technical impact per CISA SSVC), but there is no public exploit identified at time of analysis and EPSS probability is very low (0.04%). The scope change (S:C) combined with the Hyper-V attack surface is consistent with a guest-to-host virtualization boundary escape.

Denial Of Service Memory Corruption Microsoft +4
NVD VulDB
EPSS 0% CVSS 7.1
HIGH PATCH This Week

Local denial of service in Microsoft Windows TCP/IP networking stack allows an unauthorized local attacker to trigger a null pointer dereference (CWE-476), crashing the system or causing broad service disruption. All supported Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Server 2025 are affected. Reported by Microsoft, this is a crash/availability issue only - no code execution or data exposure - with no public exploit identified at time of analysis and a very low (0.05%) EPSS exploitation probability.

Denial Of Service Microsoft Null Pointer Dereference +21
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Remote Desktop component (CWE-122 heap-based buffer overflow) allows an authenticated low-privileged user to gain SYSTEM-level control across virtually all supported Windows client and server releases, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. Microsoft has released patches; there is no public exploit identified at time of analysis and EPSS exploitation probability is very low (0.04%), consistent with CISA SSVC rating exploitation as 'none'. The flaw is a serious defense-in-depth concern because it grants total confidentiality, integrity, and availability impact once a foothold exists, but it is not remotely reachable and requires prior local access.

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 4.4
MEDIUM PATCH This Month

Windows Filtering Platform (WFP) on affected Windows 10, Windows 11, and Windows Server releases exposes an improper access control flaw (CWE-284) that enables a locally authenticated, low-privileged attacker to bypass a host-based security feature. The bypass is limited to confidentiality and integrity impacts (no availability), scoped to the vulnerable system, and requires no user interaction once local execution is established. No public exploit code exists and CISA has not added this to the KEV catalog; EPSS at 0.04% (11th percentile) and SSVC exploitation status of 'none' corroborate the low probability of near-term opportunistic weaponization.

Microsoft Authentication Bypass Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Common Log File System (CLFS) driver lets an already-authenticated low-privileged user gain SYSTEM-level rights on affected Windows client and server builds by triggering an integer underflow (CWE-191) in the driver's log-file parsing. The flaw yields total confidentiality, integrity, and availability impact on the local machine. There is no public exploit identified at time of analysis, EPSS risk is low (0.06%, 19th percentile), and CISA SSVC records exploitation status as none - but CLFS is a historically heavily-targeted attack surface, so patching is warranted.

Integer Overflow Information Disclosure Microsoft +21
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows Telephony Service (TAPI) lets an already-authenticated low-privileged user corrupt kernel/service memory via a use-after-free and gain elevated (typically SYSTEM-level) privileges across nearly all supported Windows client and server releases. Microsoft has released patches, and the flaw carries a total technical-impact rating (SSVC), though EPSS is very low (0.04%) and there is no public exploit identified at time of analysis. It is not on CISA KEV, indicating no confirmed active exploitation.

Denial Of Service Memory Corruption Microsoft +22
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Link-Layer Discovery Protocol (LLDP) component affects a broad range of Windows client and server builds, where a CWE-415 double-free condition can be leveraged by an already-authenticated low-privileged user to gain higher privileges. The flaw was reported by Microsoft and is addressed in the July 2026 servicing updates; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. EPSS is negligible (0.04%, 12th percentile), consistent with the high attack complexity (AC:H) and local-only vector.

Microsoft Information Disclosure Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Projected File System (ProjFS) affects the full supported Windows line — Windows 10 (1809/21H2/22H2), Windows 11 (22H3 through 26H1), and Windows Server 2019/2022/2025 — where a use-after-free (CWE-416) lets an authenticated local user corrupt kernel/service memory and elevate to higher privileges. Microsoft-reported and patched, the flaw carries total technical impact per CISA SSVC but has no public exploit identified at time of analysis and a very low EPSS (0.04%). The high attack complexity (AV:L/AC:H) reflects a race-condition-style UAF that is non-trivial to win reliably.

Denial Of Service Memory Corruption Microsoft +15
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH Exploit Unlikely This Month

Null pointer dereference in the Windows LDAP (Lightweight Directory Access Protocol) component enables a low-privileged local attacker to crash the LDAP service, causing a denial of service on all affected Windows 10, Windows 11, and Windows Server releases. The vulnerability carries a CVSS 3.1 score of 5.5 with a strictly local attack vector (AV:L/PR:L), confining impact to availability only - no data exfiltration or code execution is possible. With EPSS at 0.04% (11th percentile), SSVC exploitation status of 'none,' no KEV listing, and no public exploit identified, real-world exploitation risk is currently low despite the enormous Windows install base.

Denial Of Service Microsoft Null Pointer Dereference +17
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Telephony Service (TAPI) affects a broad range of Windows client and server releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. An authenticated local attacker can exploit a use-after-free (CWE-416) memory-corruption flaw to gain SYSTEM-level privileges; there is no public exploit identified at time of analysis and EPSS is very low (0.04%), but the CVSS 3.1 base score is 7.8 with total technical impact per CISA SSVC.

Denial Of Service Memory Corruption Microsoft +22
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) lets an authenticated low-privileged user corrupt kernel memory via a use-after-free and gain SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server builds. Microsoft has released fixes, but SSVC reports no observed exploitation and EPSS is very low (0.04%), so this is a patch-on-schedule kernel EoP rather than an emergency; no public exploit identified at time of analysis. Because Cloud Files underpins OneDrive/cloud sync placeholders, the driver is present on effectively every modern Windows install.

Denial Of Service Memory Corruption Microsoft +15
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local information disclosure in the Microsoft Windows Desktop Window Manager (DWM) Core Library affects a broad range of Windows 10, Windows 11 (through 26H1), and Windows Server (2016-2025) builds, where a buffer over-read (CWE-126) lets an already-authenticated local attacker read adjacent process memory. Microsoft's CVSS 7.8 vector rates full confidentiality, integrity, and availability impact even though the description characterizes the outcome as information disclosure, so the leaked memory could plausibly aid further local escalation. There is no public exploit identified at time of analysis, EPSS is negligible (0.04%), and CISA SSVC marks exploitation as none, but a vendor patch is available.

Microsoft Buffer Overflow Windows 10 Version 1607 +16
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation in the Microsoft Windows TCP/IP networking stack allows an already-authenticated attacker to win a race condition and elevate to SYSTEM-level privileges across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Exploitation requires local, low-privileged access rather than remote reach, and Microsoft rates the technical impact as total (full confidentiality, integrity, and availability loss). There is no public exploit identified at time of analysis and EPSS probability is very low (0.04%), consistent with CISA SSVC marking exploitation as none and not automatable.

Microsoft Race Condition Information Disclosure +21
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Message Queuing (MSMQ) allows an authenticated low-privileged user to corrupt kernel/service memory through a double free (CWE-415) and elevate to SYSTEM. It affects a broad range of Windows client and server releases from Windows Server 2012/Windows 10 1607 through Windows 11 26H1 and Windows Server 2025 where the MSMQ feature is installed. There is no public exploit identified at time of analysis, EPSS is very low (0.04%), and CISA SSVC records no known exploitation, though the technical impact is rated total.

Microsoft Information Disclosure Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Microsoft Windows TCP/IP stack (tcpip.sys) lets an already-authenticated low-privileged user corrupt heap memory to gain SYSTEM-level control across virtually all supported Windows client and server releases. Microsoft assigns CVSS 7.8 and reports total technical impact, but SSVC exploitation status is 'none' and EPSS is only 0.06% (18th percentile), and there is no public exploit identified at time of analysis. Microsoft has released a patch via the Security Update Guide.

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) allows an authenticated low-privileged user to elevate to SYSTEM by triggering a use-after-free memory-corruption condition. The flaw was reported by Microsoft and affects a broad range of Windows 10, Windows 11, and Windows Server builds; a vendor patch is available. There is no public exploit identified at time of analysis, and EPSS exploitation probability is very low (0.06%).

Denial Of Service Memory Corruption Microsoft +15
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Local privilege escalation in the Microsoft Windows Telephony Service (TAPI) lets an already-authenticated, low-privileged user corrupt kernel/service memory via a use-after-free and gain elevated privileges across virtually all supported Windows client and server builds. Microsoft has released a patch, and there is no public exploit identified at time of analysis; EPSS is negligible (0.04%) and CISA's SSVC rates exploitation as none, indicating this is a defense-in-depth fix rather than an emergency. The flaw is high-value as a post-compromise escalation primitive but requires local code execution and winning a race condition to trigger.

Denial Of Service Memory Corruption Microsoft +22
NVD VulDB
EPSS 0% CVSS 6.7
MEDIUM PATCH Exploit Unlikely This Month

Privilege escalation via double free in the Windows Rich Text Edit Control (RichEdit) affects an exceptionally broad range of Microsoft platforms, spanning Windows 10 versions 1607 through 22H2, all current Windows 11 branches through 26H1, and Windows Server 2012 through Server 2025. A low-privileged local attacker who can induce user interaction with crafted RTF content can corrupt heap memory to achieve full compromise of confidentiality, integrity, and availability - consistent with the SSVC 'total technical impact' rating. No public exploit code exists and no active exploitation has been identified (not in CISA KEV), and the EPSS score of 0.05% at the 16th percentile reflects a minimal current exploitation signal; however, the sheer scale of the affected Windows install base keeps this relevant for enterprise patch cadence. A notable discrepancy exists: the CVE tags classify this as 'Information Disclosure,' which conflicts with Microsoft's own description of local privilege elevation - the CVSS C:H/I:H/A:H impact metrics and SSVC total-impact rating support the privilege escalation characterization, suggesting the tag is erroneous.

Microsoft Information Disclosure Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Remote code execution in the Windows Native WiFi Miniport Driver allows an unauthorized attacker on an adjacent network to win a timing race and run arbitrary code on affected Windows 10, Windows 11, and Windows Server systems. The flaw stems from improper synchronization of a shared resource in the kernel-mode wireless driver and carries a total (C:H/I:H/A:H) technical impact. No public exploit has been identified and EPSS is very low (0.07%), but successful exploitation grants full kernel-level compromise without authentication.

Authentication Bypass Microsoft Race Condition +21
NVD VulDB
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Remote code execution in Microsoft Windows DNS lets an unauthenticated attacker corrupt heap memory over the network and run arbitrary code on affected Windows 11 (22H3 through 26H1) and Windows Server 2022/2025 systems. The flaw is a CWE-122 heap-based buffer overflow rated CVSS 9.8, reported by Microsoft with a patch available; there is no public exploit identified at time of analysis, and the EPSS score is very low (0.07%), so this is a high-severity but not-yet-exploited issue. CISA SSVC flags it as automatable with total technical impact, meaning successful exploitation fully compromises the host.

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

Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows an already-authenticated low-privileged user to elevate to SYSTEM across Windows 10, Windows 11 (21H2 through 26H1), and Windows Server 2022/2025. The flaw stems from external control of a file name or path (CWE-73) inside the kernel-mode WinSock support driver, yielding total confidentiality, integrity, and availability impact per CVSS 7.8. There is no public exploit identified at time of analysis, EPSS is very low (0.07%), and CISA SSVC records exploitation as none, but the total technical impact and near-universal Windows footprint make it a standard Patch Tuesday priority.

Microsoft Information Disclosure Windows 10 Version 21H2 +10
NVD VulDB
EPSS 0% CVSS 8.1
HIGH PATCH This Week

Remote code execution in the Microsoft Windows TCP/IP stack allows an unauthenticated network attacker to trigger a use-after-free (CWE-416) and run arbitrary code on a wide range of Windows 10, Windows 11, and Windows Server builds. The flaw carries CVSS 8.1 but requires winning a memory-corruption race (AC:H), and there is no public exploit identified at time of analysis; EPSS is very low at 0.09% and CISA SSVC lists exploitation as none. A vendor patch is available from Microsoft.

Denial Of Service Memory Corruption Microsoft +15
NVD VulDB
EPSS 0% CVSS 7.4
HIGH PATCH This Week

Denial of service in the Microsoft Windows TCP/IP networking stack allows an unauthenticated, adjacent-network attacker to crash the host by triggering a null pointer dereference (CWE-476) during packet processing, with no user interaction required. The flaw affects essentially the entire supported Windows client and server lineup, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. There is no public exploit identified at time of analysis, and the low EPSS score (0.14%) plus CISA SSVC 'Exploitation: none' indicate no observed exploitation despite the broad footprint.

Denial Of Service Microsoft Null Pointer Dereference +21
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows SMB Client (mrxsmb/rdbss) driver lets a low-privileged, authenticated user corrupt kernel memory through a use-after-free (CWE-416) and elevate to SYSTEM. The flaw affects a broad range of Windows client and server builds from Windows Server 2012 R2 through Windows 11 25H2/26H1 and Server 2025. There is no public exploit identified at time of analysis, EPSS is very low (0.04%), and CISA SSVC rates exploitation as 'none' - but technical impact is 'total', so it remains a meaningful patch-Tuesday-class local EoP.

Denial Of Service Memory Corruption Microsoft +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Microsoft Windows Kernel-Mode Drivers allows an already-authenticated attacker to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory-corruption condition. All supported Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Windows Server 2025 are affected, but there is no public exploit identified at time of analysis and EPSS probability is very low (0.04%). Microsoft has released patches and CISA's SSVC framework rates exploitation as 'none' with total technical impact.

Denial Of Service Memory Corruption Microsoft +22
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation in the Windows Common Log File System (CLFS) driver lets an already-authenticated low-privileged user corrupt heap memory to gain SYSTEM-level control across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Server 2012 through Server 2025). Exploitation is CVSS 7.8 with total technical impact per CISA SSVC, but SSVC records no observed exploitation and EPSS is very low (0.04%), and no public exploit was identified at time of analysis. A vendor patch is available from Microsoft (MSRC).

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Information disclosure in the Windows TCP/IP networking stack allows a remote, unauthenticated attacker to read sensitive memory contents over the network by triggering a use-after-free condition. All supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025) are affected. Microsoft-reported with no public exploit identified at time of analysis; EPSS is low (0.06%, 19th percentile) and CISA SSVC records exploitation status as none.

Denial Of Service Memory Corruption Microsoft +22
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in the Microsoft Windows TCP/IP networking stack allows an authorized (low-privileged) attacker to run code with SYSTEM-level rights by triggering a stack-based buffer overflow (CWE-121). The flaw affects a broad range of Windows 10, Windows 11, and Windows Server releases and carries a CVSS 7.8 with total technical impact per CISA SSVC. There is no public exploit identified at time of analysis, EPSS is very low (0.06%, 19th percentile), and it is not listed in CISA KEV, indicating no observed exploitation to date.

Microsoft Stack Overflow Buffer Overflow +17
NVD VulDB
EPSS 0% CVSS 6.2
MEDIUM PATCH Exploit Unlikely This Month

Heap-based buffer overflow in the Windows Volume Manager Extension Driver enables an authorized attacker with physical device access to execute arbitrary code, achieving full system compromise across a broad range of Windows 10, Windows 11, and Windows Server editions. Affected product versions span from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, per EUVD-2026-29656 data. No active exploitation has been confirmed (not in CISA KEV), and EPSS at 0.07% (22nd percentile) reflects the extremely low probability of widespread exploitation given the dual prerequisite of physical presence and high-privilege credentials.

Buffer Overflow Heap Overflow Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Cryptographic Services lets an authenticated low-privileged user corrupt heap memory (CWE-122) to gain SYSTEM-level control across supported Windows 10, Windows 11, and Windows Server builds. There is no public exploit identified at time of analysis and EPSS is very low (0.04%), but SSVC rates the technical impact as total, and Microsoft has released patches. Because it requires prior local access, it is a post-compromise escalation primitive rather than an initial-access threat.

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the Windows Internet Key Exchange (IKE) protocol implementation allows remote unauthenticated attackers to exhaust host memory across all supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through Server 2025). The flaw is a memory leak (CWE-401) triggered over the network with no privileges or user interaction, but impact is limited to availability with no data exposure. There is no public exploit identified at time of analysis, and EPSS exploitation probability is very low (0.08%, 23rd percentile).

Microsoft Authentication Bypass Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 5.4
MEDIUM PATCH This Month

Out-of-bounds read in the Windows Telnet Client exposes memory contents and minor availability degradation to network-based attackers who control a Telnet server endpoint. Affected systems span Windows 10 (1607 through 22H2), Windows 11 (22H3 through 26H1), and Windows Server 2012 through 2025, all requiring user interaction to initiate a Telnet session against a malicious server. No public exploit identified at time of analysis and no active exploitation confirmed (not in CISA KEV); EPSS stands at 0.05% (16th percentile), reinforcing that real-world exploitation risk is low despite the broad platform footprint.

Buffer Overflow Information Disclosure Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Windows TCP/IP stack allows a low-privilege network-authenticated attacker to bypass a security feature by exploiting an alternate path or channel (CWE-288), resulting in a high-integrity impact without requiring user interaction. Affected scope spans Windows 10 (versions 1607 through 22H2), Windows 11 (versions 22H3 through 26H1), and Windows Server 2012 through Server 2025, making the exposure footprint extremely broad. No public exploit code exists and no active exploitation is confirmed at time of analysis; EPSS at 0.06% (18th percentile) and SSVC classification of 'exploitation: none, automatable: no' indicate low near-term weaponization risk despite the wide attack surface.

Microsoft Authentication Bypass Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local code execution in the Windows Graphics Device Interface (GDI) component affects a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 25H2/26H1 and Server 2025. An attacker who convinces a user to open a maliciously crafted file or content triggers a heap-based buffer overflow (CWE-122) in GDI, running arbitrary code in the victim's context with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis, EPSS is very low (0.06%), and CISA SSVC records no known exploitation, so this is a patch-on-cycle item rather than an emergency.

Buffer Overflow Microsoft Heap Overflow +21
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation in the Windows Cloud Files Mini Filter Driver (cldflt.sys) lets an already-authenticated low-privileged user corrupt kernel memory via a use-after-free and gain SYSTEM-level control across supported Windows 10, Windows 11 (through 26H1) and Windows Server 2019-2025 builds. Microsoft has released fixes; there is no public exploit identified at time of analysis, EPSS risk is very low (0.04%), and it is not listed in CISA KEV. Despite 'Denial Of Service' tagging, the CVSS vector rates full confidentiality, integrity and availability impact, consistent with a kernel EoP.

Denial Of Service Memory Corruption Microsoft +15
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in the Windows Win32K kernel-mode subsystem (ICOMP component) lets an already-authenticated low-privileged attacker gain SYSTEM-level control across a broad range of supported Windows client and server builds. The flaw is a type-confusion (CWE-843) memory-corruption issue reported by Microsoft; there is no public exploit identified at time of analysis and the EPSS probability is low (0.11%), but SSVC rates the technical impact as total. This is a standard Patch-Tuesday-class kernel EoP whose value is as the second stage of an intrusion after an attacker already has a foothold.

Memory Corruption Microsoft Information Disclosure +14
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Likely This Week

Local privilege escalation in Windows Kernel across Windows 10, Windows 11 (versions 22H3 through 26H1), and Windows Server 2022 allows authenticated local attackers to gain SYSTEM-level privileges through heap corruption. Microsoft has released patches addressing this CWE-122 heap-based buffer overflow. EPSS data not available for risk quantification, and no CISA KEV listing indicates exploitation has not been publicly confirmed, though the vulnerability's low attack complexity (AC:L) and minimal prerequisites (PR:L) make it attractive for post-compromise privilege escalation in targeted attacks.

Heap Overflow Microsoft Buffer Overflow +11
NVD VulDB
EPSS 0% CVSS 4.3
MEDIUM POC PATCH This Month

Windows Snipping Tool leaks sensitive information to unauthenticated network attackers via user interaction, enabling spoofing attacks. The vulnerability affects Windows 10 (versions 1607, 1809, 21H2, 22H2) and Windows 11 (versions 22H3, 23H2, 24H2, 25H2, 26H1), as well as Windows Server 2012 through 2025. Microsoft has released patches for all affected versions; exploitation requires user interaction but no specialized technical knowledge.

Information Disclosure Microsoft Windows 10 Version 1607 +20
NVD VulDB GitHub Exploit-DB
EPSS 0% 5.0 CVSS 9.8
CRITICAL POC KEV PATCH THREAT Exploit Unlikely Act Now

Remote code execution in Windows IKE Extension (Internet Key Exchange) via double free memory corruption allows unauthenticated network attackers to execute arbitrary code on Windows 10 (1607-22H2), Windows 11 (22H3-26H1), and Windows Server (2016-2025). CVSS 9.8 critical severity with network vector requiring no authentication or user interaction. Vendor patch released by Microsoft addresses CWE-415 double free weakness. EPSS score of 0.07% (21st percentile) suggests low observed exploitation probability despite critical severity rating, indicating this may be a targeted or difficult-to-exploit vulnerability in production environments. No CISA KEV listing or public POC identified at time of analysis.

Authentication Bypass Microsoft Windows 10 Version 1607 +16
NVD VulDB
EPSS 0% CVSS 8.1
HIGH PATCH Exploit Unlikely This Week

Remote code execution in Windows TCP/IP networking stack across Windows 10, 11, and Server versions allows unauthenticated network attackers to execute arbitrary code by exploiting a race condition in shared resource synchronization. The vulnerability affects all supported Windows versions from Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has released patches addressing this high-severity flaw (CVSS 8.1). No public exploit identified at time of analysis, though SSVC assessment

Authentication Bypass Race Condition Microsoft +21
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Win32K graphics subsystem (Win32K-GRFX) allows authenticated attackers with low privileges to gain SYSTEM-level access by exploiting a race condition during concurrent resource access. Affects all supported Windows 10, Windows 11, and Windows Server versions from 2012 through 2025. Microsoft has released patches addressing this CWE-362 synchronization flaw. No public exploit identified at time of analysis, though the local attack vector and high complexity (

Information Disclosure Race Condition Microsoft +21
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation in Windows Ancillary Function Driver for WinSock (AFD.sys) affects all supported Windows 10, Windows 11, and Windows Server versions from 2012 through 2025. The CWE-416 use-after-free memory corruption flaw allows low-privileged authenticated attackers with local access to elevate to SYSTEM privileges, achieving complete control over confidentiality, integrity, and availability. SSVC framework rates this as non-automatable with total technical impact. No public exploit

Denial Of Service Use After Free Memory Corruption +22
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH Exploit Unlikely This Week

Local privilege escalation via use-after-free in Windows Ancillary Function Driver for WinSock (AFD.sys) allows authenticated low-privileged attackers to execute arbitrary code with SYSTEM privileges across all supported Windows versions. Microsoft has released patches for Windows 10 (versions 1607-22H2), Windows 11 (versions 22H3-25H2), and Windows Server (2012-2022 23H2). The vulnerability requires local access and low privileges (PR:L) with high attack complexity (AC:H), but no public exploit

Denial Of Service Use After Free Memory Corruption +19
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH Exploit Likely This Week

Windows Shell security feature bypass enables unauthenticated remote attackers to defeat protection mechanisms across all supported Windows client and server versions (Windows 10 1607 through Windows 11 26H1, Server 2012 through Server 2025) via network-based attack requiring user interaction. The CVSS 8.8 rating reflects complete compromise potential (high confidentiality, integrity, and availability impact) despite low attack complexity. Microsoft has released patches addressing this authentic

Authentication Bypass Microsoft Windows 10 Version 1607 +20
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH Exploit Unlikely This Week

Use-after-free in Microsoft Windows Speech component enables local privilege escalation to SYSTEM on Windows 10 (versions 1809, 21H2, 22H2) and Windows 11 (versions 22H3 through 26H1). Authenticated local attackers with low privileges can exploit memory corruption to gain full system control with low attack complexity and no user interaction required. CVSS 7.8 (High). Vendor-released patches available for all affected versions. No public exploit identified at time of analysis, though the straigh

Denial Of Service Use After Free Memory Corruption +9
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation in Windows Container Isolation FS Filter Driver affects all supported Windows 10, Windows 11, and Windows Server versions through use-after-free memory corruption. Low-complexity attack requires only low-privileged local access to achieve full system compromise (SYSTEM-level privileges). Microsoft has released patches for all affected versions. No public exploit identified at time of analysis, but the low attack complexity (AC:L) and requirement for only low privileges

Denial Of Service Use After Free Memory Corruption +18
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH Exploit Unlikely This Week

Denial of service in Windows HTTP.sys kernel-mode driver allows unauthenticated remote attackers to crash affected systems via malformed HTTP requests. Affects all currently supported Windows 11 versions (22H2 through 26H1) and Windows Server 2022/2025 editions. The vulnerability stems from an out-of-bounds read (CWE-125) triggered when HTTP.sys processes specially crafted network packets without authentication (CVSS AV:N/PR:N). Vendor-released patches available for all affected versions with specific build numbers identified. No public exploit identified at time of analysis, though low attack complexity (AC:L) suggests straightforward exploitation once technical details emerge.

Buffer Overflow Information Disclosure Microsoft +9
NVD VulDB
EPSS 0% CVSS 4.3
MEDIUM POC KEV PATCH THREAT Exploit Likely Act Now

Windows Shell protection mechanism failure (CVE-2026-32202) allows remote attackers to perform spoofing attacks over a network without authentication, requiring only user interaction. This low-severity vulnerability affects multiple Windows versions from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. While not actively exploited in the wild, vendor patches are available across all affected versions, and the low CVSS score (4.3) reflects limited confidentiality impact and no availability impact despite the network-accessible attack vector.

Authentication Bypass Microsoft Windows 10 Version 1607 +20
NVD VulDB GitHub Exploit-DB

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