Windows Server 2012 R2
Monthly
Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Local privilege escalation in the Windows OLE (Object Linking and Embedding) component allows an already-authenticated, low-privileged user on affected Windows and Windows Server builds to elevate to higher privileges through an improper authorization check (CWE-285). Microsoft has released a patch, and no public exploit has been identified at time of analysis. Impact is high across confidentiality, integrity, and availability, though exploitation requires prior local code execution.
Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a network.
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
Local privilege elevation in the Windows Graphics Device Interface (GDI) component allows an already-authenticated, low-privileged user to run code at a higher privilege level by triggering a stack-based buffer overflow (CWE-121). Affected platforms span Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025, including Server Core installations. Reported by Microsoft with a patch available; no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local code execution in the Microsoft Windows NTFS file-system driver lets an attacker run arbitrary code by triggering a heap-based buffer overflow (CWE-122) when Windows parses crafted file-system metadata. The flaw spans a broad range of supported releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. It carries a CVSS 7.8 (Important) rating, requires user interaction, has a vendor patch available, and no public exploit identified at time of analysis.
Local privilege escalation in the Windows Filtering Platform (WFP) lets an authenticated low-privileged user gain higher privileges on affected Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rooted in insufficient access-control granularity (CWE-1220), a local attacker with a valid session can manipulate WFP to reach SYSTEM-level access. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but Microsoft rates the confidentiality, integrity, and availability impact as High.
Local privilege escalation in the Microsoft Windows Kernel lets an already-authenticated attacker win a use-after-free race (CWE-416) to gain SYSTEM-level control, affecting a broad range of client and server builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch and there is no public exploit identified at time of analysis. The moderate 7.0 score reflects high attack complexity (a timing-dependent race) offset by full confidentiality, integrity and availability impact once triggered.
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Local privilege escalation in the Microsoft Windows RPC Runtime lets an already-authenticated low-privileged user gain SYSTEM-level control due to improper authorization (CWE-285). Affecting a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 26H1 and Server 2025, the flaw carries CVSS 7.8 with high confidentiality, integrity, and availability impact. Reported by Microsoft with a patch available; no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows Group Policy component allows an already-authenticated user to elevate to higher privileges (up to SYSTEM) on affected Windows 10, Windows 11, and Windows Server 2012-2025 systems. The flaw stems from improper privilege management (CWE-269) and is reported by Microsoft with a patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. With CVSS 7.8 and full confidentiality, integrity, and availability impact, it is a strong candidate for the monthly patch cycle on endpoints and domain-joined servers.
Local privilege escalation in Microsoft Windows Media (the Windows Media component/codec subsystem) allows an already-authenticated local attacker to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory corruption condition. The flaw affects a broad range of currently-supported Windows client and server releases, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local privilege escalation in Microsoft Windows via the LUAFV (LUA File Virtualization, luafv.sys) driver allows an already-authenticated low-privileged user to win a timing race and elevate to SYSTEM/administrator on affected Windows client and server builds. The flaw stems from improper synchronization around a shared resource (CWE-362) and carries a CVSS 7.0 (AV:L/AC:H/PR:L) reflecting a local, high-complexity attack. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but Microsoft has released a patch.
Local code execution in the Microsoft Windows NTFS driver stems from an out-of-bounds read (CWE-125) that an attacker can leverage to run arbitrary code on affected systems, spanning Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. Exploitation requires local access and user interaction (AV:L/UI:R), typically opening or mounting a maliciously crafted file or volume, but no prior authentication (PR:N). Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash or render the federation service unavailable by triggering a stack-based buffer overflow over the network. The flaw affects the AD FS role across Windows Server 2012 through 2025 (including Server Core installations) and carries a CVSS 7.5 rating driven entirely by availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but a vendor patch is available.
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
Local privilege escalation in the Windows Kernel (CVE-2026-50390) lets an already-authenticated attacker abuse a type-confusion condition to run code with elevated (SYSTEM-level) privileges on affected Windows client and server builds ranging from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. Microsoft has shipped a fix and there is no public exploit identified at time of analysis, but as a kernel EoP it is a classic second-stage building block for turning a foothold into full host compromise. CVSS is 7.0 (High), reflecting high attack complexity but full confidentiality, integrity, and availability impact once triggered.
Denial-of-service (and possible privilege-elevation) heap-based buffer overflow in the Microsoft Windows Remote Desktop Client is reachable over the network, with Microsoft's CVSS vector recording only an availability impact (A:H) despite the description's 'elevate privileges' wording. A patch is available from Microsoft (MSRC update guide), the flaw was reported by Microsoft itself, and there is no public exploit identified at time of analysis. Affected platforms span the full supported Windows client and server line, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
Local privilege escalation in the Microsoft Windows USB Driver (kernel-mode) lets an already-authenticated low-privileged user win a race condition (CWE-362) to elevate to SYSTEM. The flaw spans a broad Windows fleet from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV; a vendor patch is available from Microsoft.
Local code execution in Microsoft Windows arises from a heap-based buffer overflow in a Windows Data DLL, letting an attacker who can get a victim to open crafted content run arbitrary code with the victim's privileges. Affected builds span Windows 10 (1607 through 22H2), Windows 11 (24H2, 25H2, 26H1), and Windows Server 2012 through 2025. Microsoft (the reporter) has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Remote code execution in the Microsoft Windows DHCP Server role allows an unauthenticated, adjacent-network attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122) in DHCP message parsing. Affected systems span Windows Server 2012 through Windows Server 2025 (including Server Core installations) plus the DHCP service on Windows 10 versions 1607 and 1809, with full confidentiality, integrity, and availability impact. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.
Remote code execution in Microsoft Windows GDI+ (gdiplus) lets an unauthenticated network attacker run arbitrary code when a victim opens or renders a specially crafted image, via a heap-based buffer overflow (CWE-122). The flaw affects a broad range of supported Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). It carries a critical CVSS 9.6 with a scope-changed impact, but requires user interaction and currently has no public exploit identified at time of analysis.
Local code execution in Microsoft Windows NTFS driver (heap-based buffer overflow, CWE-122) allows an attacker to run arbitrary code with the privileges of the exploited context. 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. CVSS 7.8 with high confidentiality, integrity, and availability impact; exploitation requires local access and user interaction, and there is no public exploit identified at time of analysis.
Remote denial of service in Microsoft Active Directory Federation Services (ADFS) allows an unauthenticated network attacker to crash the service via a stack-based buffer overflow (CWE-121). The flaw affects the ADFS role across Windows Server 2012 through 2025 (and the underlying Windows 10 1607/1809 servicing components), carries a CVSS 7.5 availability-only score, and was reported by Microsoft with a patch available. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Local code execution in Microsoft Windows NTFS arises from a heap-based buffer overflow (CWE-122) that an authorized, low-privileged local user can trigger to run arbitrary code and elevate to SYSTEM. The flaw spans a broad Windows footprint from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.8 (High).
Local privilege escalation in Windows App Installer (the MSIX/AppX package deployment component, msixbundle/App Installer) lets an already-authenticated low-privileged user overflow a stack buffer to gain higher privileges on affected Windows 10, Windows 11, and Windows Server builds. Microsoft self-reported the flaw and has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. The CVSS 7.8 (AV:L/PR:L) rating reflects a locally-launched attack with high confidentiality, integrity, and availability impact.
Local code execution in the Windows NTFS file system driver lets an unauthorized attacker run arbitrary code by tricking a user into interacting with specially crafted content, per Microsoft's MSRC advisory. The flaw is a heap-based buffer overflow (CWE-122) affecting a broad range of Windows releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the low attack complexity and full-CIA impact make it a meaningful local code-execution risk.
Local privilege escalation in the Windows NTFS file-system driver allows an authenticated attacker to run code with elevated (SYSTEM-level) privileges by triggering a stack-based buffer overflow (CWE-121). The flaw was reported by Microsoft and 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. No public exploit identified at time of analysis, and it is not listed in CISA KEV; the CVSS 3.1 base score is 7.8 (High).
Local privilege elevation in the Microsoft Windows TCP/IP networking stack lets an already-authenticated, low-privileged user corrupt kernel memory via a use-after-free (CWE-416) and gain SYSTEM-level control. The flaw affects a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, including Server Core installations. Microsoft reported the issue and has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Denial of service in Microsoft Windows Server Update Services (WSUS) lets a remote, unauthenticated attacker crash or disrupt the update service by triggering an uncaught exception over the network. The flaw affects WSUS across Windows Server 2012 through 2025 (plus Windows 10 1607/1809 servicing components), and the CVSS 3.1 availability-only vector (A:H) indicates service unavailability rather than data compromise. No public exploit identified at time of analysis, but a vendor patch is available and the flaw is network-reachable without authentication.
Denial of service in Microsoft Active Directory Federation Services (AD FS) lets a remote, unauthenticated attacker crash the service by triggering a stack-based buffer overflow (CWE-121) over the network. Because AD FS commonly fronts single sign-on for Microsoft 365, SaaS, and internal web applications, a successful crash can knock out federated authentication for an entire organization. No public exploit identified at time of analysis, and the flaw is availability-only — confidentiality and integrity are not impacted per the CVSS vector.
Local privilege escalation in the Windows Push Notifications component (WNS/WpnService) lets an already-authenticated low-privileged user overwrite adjacent heap memory to gain SYSTEM-level control across Windows 10 (1607-22H2), Windows 11 (24H2-26H1), and Windows Server 2012 R2 through 2025. Microsoft reported the flaw and has shipped a fix; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. The high CVSS 7.8 reflects full confidentiality, integrity, and availability impact once triggered, but exploitation requires prior local access.
Local privilege escalation in the Windows Redirected Drive Buffering Subsystem (RDBSS) lets an authenticated low-privileged attacker read memory beyond an allocated buffer to elevate to higher privileges. The flaw affects a broad range of currently-supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through Server 2025) and carries a CVSS 7.0 (High) rating. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local privilege escalation in the Windows Kernel lets a low-privileged, authenticated attacker gain SYSTEM-level control by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad platform range from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, and was reported internally by Microsoft. No public exploit is identified at time of analysis and it is not in CISA KEV, but the ubiquity of the affected component plus full high impact on confidentiality, integrity, and availability make it a meaningful patch priority.
Privilege escalation in the Windows Win32K kernel-mode subsystem lets an already-authenticated local user gain SYSTEM-level control across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). Rooted in improper access control (CWE-284), successful exploitation yields full confidentiality, integrity, and availability impact on the host. There is no public exploit identified at time of analysis and the CVSS vector's high attack complexity (AC:H) tempers the practical risk.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated, low-privileged user to elevate to SYSTEM through improper access control (CWE-284). Affected builds span Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV; Microsoft has released a patch.
Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.
Local privilege escalation in the Windows Audio Compression Manager (ACM) allows a low-privileged authenticated user to elevate to higher privileges (CVSS 7.8, CWE-284 improper access control). It affects a broad Windows fleet spanning Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows AppX Deployment Service (AppXSvc) lets an already-authenticated, low-privileged user win a race condition to elevate to higher privileges across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). The flaw stems from improper synchronization of a shared resource, and successful exploitation yields full confidentiality, integrity, and availability impact on the host. It is reported by Microsoft with a vendor patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated low-privileged user to elevate to SYSTEM through an improper access-control flaw. The issue 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. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the flaw is not listed in CISA KEV.
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.
Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Elevation of privilege in Microsoft Windows (Server 2012 through 2025 and Windows 10/11 clients) lets a low-privileged local user gain SYSTEM-level rights by abusing an improper access control (CWE-284) weakness. The flaw was reported by Microsoft with a patch available, and CVSS 3.1 rates it 7.8 (High) with local vector and low privileges required. No public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-worthy but not emergency issue absent evidence of active exploitation.
Local code execution in the Microsoft Windows NTFS file-system driver lets an attacker run arbitrary code by inducing a victim to interact with a specially crafted NTFS artifact (e.g., a malicious volume, VHD, or file). The flaw stems from an integer underflow (CWE-191) and spans a broad range of Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10/11. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.
Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.
Local privilege escalation in the Microsoft Windows Kernel allows an unauthorized attacker to gain elevated (SYSTEM-level) privileges by triggering a use-after-free condition (CWE-416) in kernel memory. The flaw affects a broad range of supported Windows client and server releases, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local code execution in the Windows NTFS driver (CVE-2026-49797) allows an attacker with local access to run arbitrary code by tricking a user into interacting with a maliciously crafted NTFS artifact, exploiting a heap-based buffer overflow (CWE-122). The flaw affects a broad range of Windows client and server releases from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has released a patch; no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local code execution in Windows GDI+ (the Graphics Device Interface Plus rendering component) affects a broad range of Microsoft Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An attacker who convinces a user to open or preview a specially crafted image or document triggers a heap-based buffer overflow (CWE-122) during graphics parsing, yielding arbitrary code execution in the context of the current user. The CVSS 3.1 base score is 7.8 (AV:L/AC:L/PR:N/UI:R); there is no public exploit identified at time of analysis and it is not listed in CISA KEV, but GDI+ image-parsing flaws are historically attractive to attackers.
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.
Local privilege escalation in Microsoft Windows Routing and Remote Access Service (RRAS) allows an already-authenticated low-privileged user to abuse a link-following (symlink/junction) flaw to gain higher privileges on the host. The bug affects a broad range of client and server SKUs from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1, and Microsoft has shipped a fix. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Elevation of privilege in the Windows Universal Disk Format File System driver (UDFS.sys) lets a low-privileged local user gain elevated (kernel/SYSTEM) rights after the victim mounts or opens a maliciously crafted UDF volume. The flaw stems from an integer arithmetic error (CWE-191) in the driver that parses UDF-formatted media such as ISO images, optical discs, and virtual disk files, and affects a broad range of Windows client and server releases from Windows Server 2012 and Windows 10 1607 through Windows 11 26H1 and Windows Server 2025. Microsoft reported the issue and has shipped a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local privilege escalation in the Microsoft Windows NTFS driver allows an already-authenticated, low-privileged user to gain elevated (likely SYSTEM) privileges by triggering a stack-based buffer overflow, contingent on user interaction. The flaw spans a broad range of supported Windows client and server releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has issued a patch and reported the issue itself; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local code execution in Microsoft Windows NTFS (New Technology File System) stems from a heap-based buffer overflow (CWE-122) that lets a local attacker run arbitrary code with high confidentiality, integrity, and availability impact. The flaw affects a broad range of Windows client and server builds - from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025 - and Microsoft has released a patch. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but NTFS's role as the default Windows filesystem makes the exposed surface extremely wide.
Information disclosure (and vendor-labeled privilege elevation) in the Windows DHCP Client affects Windows 10 (1607/1809), Windows Server 2012 through 2025, and their Server Core installations via an integer underflow (CWE-191) reachable over the network. A remote attacker positioned to answer DHCP traffic can craft malformed responses that wrap a length/counter calculation, with a CVSS 3.1 base of 7.5 (confidentiality impact only per the published vector). No public exploit is identified at time of analysis and it is not listed in CISA KEV, but Microsoft ships a patch.
Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
Remote code execution in Microsoft Active Directory Domain Services (AD DS) allows an authenticated network attacker to run arbitrary code on domain controllers by triggering a heap-based buffer overflow (CWE-122). Affected platforms span Windows Server 2012 through 2025 (including Server Core) and Windows 10/11 clients acting in AD roles, with Microsoft-issued patches available. There is no public exploit identified at time of analysis and it is not on CISA KEV, but the CVSS 8.8 rating and the sensitivity of the domain-controller attack surface make this a high-priority patch.
Remote code execution in the Microsoft Windows DHCP Server role allows an authenticated network attacker (PR:L) to trigger a heap-based buffer overflow and run arbitrary code on the server. The flaw affects DHCP Server across Windows Server 2012 through Server 2025 (including Server Core installations) and carries a CVSS 8.8 with full confidentiality, integrity, and availability impact. Reported by Microsoft with a vendor patch available; no public exploit identified at time of analysis.
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.
Windows Cryptographic Services across a broad range of Windows 10, Windows 11, and Windows Server versions fails to release allocated memory after its effective lifetime (CWE-401), enabling a remote unauthenticated attacker to cause a denial-of-service condition over the network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms exploitation requires no authentication, no user interaction, and no elevated privileges against default configurations. Microsoft has released a patch via MSRC advisory CVE-2026-44806; no public exploit or CISA KEV listing has been identified at time of analysis.
Remote code execution in Windows PowerShell allows an authenticated attacker with low privileges to run arbitrary code across a network by exploiting a relative path traversal (CWE-23) flaw, provided a victim is induced to interact (UI:R). Affecting supported Windows 10/11 clients and Windows Server 2012 through 2025, the issue carries a CVSS 8.0 with full confidentiality, integrity, and availability impact, and a vendor patch is available via MSRC. There is no public exploit identified at time of analysis, and the CVE is not listed in CISA KEV.
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
Local code execution in Microsoft Windows NTFS driver allows an authenticated attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122) after inducing user interaction. The flaw 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. It was reported by Microsoft, a vendor patch is available, and there is no public exploit identified at time of analysis.
Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.
Local code execution in the Microsoft Graphics Component affects a broad range of supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). An attacker who convinces a user to open a specially crafted file or content triggers an out-of-bounds read (CWE-125) that Microsoft rates as enabling code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; exploitation requires local access plus user interaction, making it a standard patch-cycle priority rather than an emergency.
Network code execution in the Windows Print Spooler service allows an authenticated attacker to win a synchronization race and run arbitrary code across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Microsoft rates it CVSS 8.8 with high confidentiality, integrity, and availability impact; a vendor patch is available, and there is no public exploit identified at time of analysis. Note that the CVE description and CVSS indicate remote code execution while the source tags label it 'Information Disclosure' — a discrepancy defenders should verify against the MSRC advisory.
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
Null pointer dereference in Windows Active Directory Domain Services (AD DS) enables a low-privileged authenticated attacker to crash the service remotely, causing denial of service across the affected domain. The flaw spans a wide range of Windows client and server releases, from Windows 10 version 1607 through Windows 11 version 26H1 and Windows Server 2012 through 2025. No public exploit code has been identified and this vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog at time of analysis, though the network-accessible attack surface and low privilege requirement lower the bar for abuse in environments with broad domain user access.
Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.
Remote code execution in the Windows Secure Socket Tunneling Protocol (SSTP) component lets an unauthenticated network attacker run arbitrary code by triggering a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of Windows client and server builds, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the network attack vector combined with full high impact to confidentiality, integrity and availability makes it a meaningful patch priority.
Local privilege escalation in Microsoft Active Directory Federation Services (AD FS) lets an already-authenticated low-privileged user on the host gain higher privileges due to insufficient granularity of access control (CWE-1220). Affected deployments span AD FS on Windows Server 2012 through Windows Server 2025, and the flaw carries a CVSS 7.8 with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-priority-driven rather than exploitation-driven risk.
Local code execution in Microsoft Windows GDI+ (the graphics rendering component) via a heap-based buffer overflow (CWE-122), affecting a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Server 2012 through Server 2025. Per the supplied CVSS vector (PR:N), an unauthorized attacker who gets the vulnerable component to process crafted graphics data can achieve high-impact code execution (C:H/I:H/A:H) on the local system. Microsoft has published a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated network attacker trigger a use-after-free (CWE-416) and run arbitrary code on a broad range of Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rated CVSS 8.1, the flaw carries high impact to confidentiality, integrity, and availability but requires winning a race condition (AC:H), and no public exploit identified at time of analysis. Reported by Microsoft with a vendor patch available.
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Remote code execution in the Microsoft Windows TCP/IP networking stack allows an unauthenticated attacker on the same physical or logical network segment to win a race condition and run arbitrary code on the target. The flaw spans a broad range of desktop and server builds from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, but Microsoft has confirmed the issue and shipped a patch, and the high CVSS (8.8) plus network-facing kernel component make it a priority to remediate.
Information disclosure via uninitialized memory in the Windows SMB driver stack affects a broad range of Windows 10, Windows 11, and Windows Server versions. A locally authenticated, low-privileged attacker can trigger a code path that reads from uninitialized memory within the SMB subsystem, potentially leaking sensitive kernel or heap memory contents. No public exploit code or active exploitation has been identified at the time of analysis; Microsoft has released a patch via MSRC.
Denial of service in Windows Active Directory (spanning Windows 10, Windows 11, and Windows Server 2012 through 2025) lets a remote, unauthenticated attacker send crafted network traffic that drives an AD service into an infinite loop, exhausting CPU and rendering domain services unavailable. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N with high availability impact and no confidentiality or integrity loss, this is a pure availability threat against domain controllers. Microsoft has released a patch; there is no public exploit identified at time of analysis and no CISA KEV listing.
Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated attacker on the same network segment run arbitrary code by triggering an integer underflow (CWE-191) during multicast message processing. All supported Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1 are affected. There is no public exploit identified at time of analysis, but the CVSS 8.8 adjacent-network unauthenticated profile and Microsoft's own reporting make this a high-priority patch.
Local code execution in the Microsoft Message Queuing (MSMQ) Queue Manager affects a broad range of Windows client and server releases from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A heap-based buffer overflow (CWE-122) lets an attacker who can reach the local MSMQ service run arbitrary code with high confidentiality, integrity, and availability impact; the CVSS 3.1 base score is 8.4 with a local attack vector but no privileges or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the vendor (Microsoft) has released a patch.
Local privilege escalation in the Microsoft Printer Drivers component across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025 lets an already-authenticated attacker corrupt kernel-adjacent memory to gain higher privileges. The flaw is a double free (CWE-415) triggered locally by a low-privileged user, yielding high confidentiality, integrity, and availability impact (CVSS 7.8). No public exploit identified at time of analysis, and it is not listed in CISA KEV.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an authenticated low-privileged user to win a race condition and elevate to SYSTEM across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available, it carries CVSS 7.0 but a high attack complexity (AC:H) reflecting the timing-sensitive nature of the flaw. There is no public exploit identified at time of analysis, and EPSS is low (0.19%, 9th percentile), consistent with CISA SSVC rating exploitation as 'none.'
Local privilege escalation in the Windows Common Log File System (CLFS) Driver allows an already-authenticated, low-privileged user to elevate to SYSTEM on a wide range of Windows client and server releases. Microsoft classifies the root cause as exposure of sensitive information (CWE-200), but the CVSS impact profile (C:H/I:H/A:H) reflects that the leaked kernel data enables full local privilege escalation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though CLFS has historically been a heavily exploited elevation-of-privilege target in Windows.
Local privilege escalation in the Windows Overlay Filter (WOF) driver allows an authenticated low-privileged user to elevate to SYSTEM by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through Server 2025. Microsoft has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Microsoft Windows Quality Windows Audio/Video Experience (QWAVE) service lets an already-authenticated, low-privileged user elevate to higher privileges by exploiting a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.0 (AV:L/AC:H/PR:L).
Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash the service by triggering a stack-based buffer overflow over the network (CVSS 7.5, availability-only impact). Because AD FS brokers single sign-on and federated authentication, a successful attack can knock out login for every downstream application that relies on it. No public exploit has been identified at time of analysis, and it is not listed in CISA KEV.
Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Local privilege escalation in the Windows OLE (Object Linking and Embedding) component allows an already-authenticated, low-privileged user on affected Windows and Windows Server builds to elevate to higher privileges through an improper authorization check (CWE-285). Microsoft has released a patch, and no public exploit has been identified at time of analysis. Impact is high across confidentiality, integrity, and availability, though exploitation requires prior local code execution.
Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a network.
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
Local privilege elevation in the Windows Graphics Device Interface (GDI) component allows an already-authenticated, low-privileged user to run code at a higher privilege level by triggering a stack-based buffer overflow (CWE-121). Affected platforms span Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025, including Server Core installations. Reported by Microsoft with a patch available; no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local code execution in the Microsoft Windows NTFS file-system driver lets an attacker run arbitrary code by triggering a heap-based buffer overflow (CWE-122) when Windows parses crafted file-system metadata. The flaw spans a broad range of supported releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. It carries a CVSS 7.8 (Important) rating, requires user interaction, has a vendor patch available, and no public exploit identified at time of analysis.
Local privilege escalation in the Windows Filtering Platform (WFP) lets an authenticated low-privileged user gain higher privileges on affected Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rooted in insufficient access-control granularity (CWE-1220), a local attacker with a valid session can manipulate WFP to reach SYSTEM-level access. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but Microsoft rates the confidentiality, integrity, and availability impact as High.
Local privilege escalation in the Microsoft Windows Kernel lets an already-authenticated attacker win a use-after-free race (CWE-416) to gain SYSTEM-level control, affecting a broad range of client and server builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch and there is no public exploit identified at time of analysis. The moderate 7.0 score reflects high attack complexity (a timing-dependent race) offset by full confidentiality, integrity and availability impact once triggered.
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Local privilege escalation in the Microsoft Windows RPC Runtime lets an already-authenticated low-privileged user gain SYSTEM-level control due to improper authorization (CWE-285). Affecting a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 26H1 and Server 2025, the flaw carries CVSS 7.8 with high confidentiality, integrity, and availability impact. Reported by Microsoft with a patch available; no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows Group Policy component allows an already-authenticated user to elevate to higher privileges (up to SYSTEM) on affected Windows 10, Windows 11, and Windows Server 2012-2025 systems. The flaw stems from improper privilege management (CWE-269) and is reported by Microsoft with a patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. With CVSS 7.8 and full confidentiality, integrity, and availability impact, it is a strong candidate for the monthly patch cycle on endpoints and domain-joined servers.
Local privilege escalation in Microsoft Windows Media (the Windows Media component/codec subsystem) allows an already-authenticated local attacker to elevate to SYSTEM by triggering a use-after-free (CWE-416) memory corruption condition. The flaw affects a broad range of currently-supported Windows client and server releases, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local privilege escalation in Microsoft Windows via the LUAFV (LUA File Virtualization, luafv.sys) driver allows an already-authenticated low-privileged user to win a timing race and elevate to SYSTEM/administrator on affected Windows client and server builds. The flaw stems from improper synchronization around a shared resource (CWE-362) and carries a CVSS 7.0 (AV:L/AC:H/PR:L) reflecting a local, high-complexity attack. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but Microsoft has released a patch.
Local code execution in the Microsoft Windows NTFS driver stems from an out-of-bounds read (CWE-125) that an attacker can leverage to run arbitrary code on affected systems, spanning Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. Exploitation requires local access and user interaction (AV:L/UI:R), typically opening or mounting a maliciously crafted file or volume, but no prior authentication (PR:N). Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash or render the federation service unavailable by triggering a stack-based buffer overflow over the network. The flaw affects the AD FS role across Windows Server 2012 through 2025 (including Server Core installations) and carries a CVSS 7.5 rating driven entirely by availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but a vendor patch is available.
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
Local privilege escalation in the Windows Kernel (CVE-2026-50390) lets an already-authenticated attacker abuse a type-confusion condition to run code with elevated (SYSTEM-level) privileges on affected Windows client and server builds ranging from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. Microsoft has shipped a fix and there is no public exploit identified at time of analysis, but as a kernel EoP it is a classic second-stage building block for turning a foothold into full host compromise. CVSS is 7.0 (High), reflecting high attack complexity but full confidentiality, integrity, and availability impact once triggered.
Denial-of-service (and possible privilege-elevation) heap-based buffer overflow in the Microsoft Windows Remote Desktop Client is reachable over the network, with Microsoft's CVSS vector recording only an availability impact (A:H) despite the description's 'elevate privileges' wording. A patch is available from Microsoft (MSRC update guide), the flaw was reported by Microsoft itself, and there is no public exploit identified at time of analysis. Affected platforms span the full supported Windows client and server line, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
Local privilege escalation in the Microsoft Windows USB Driver (kernel-mode) lets an already-authenticated low-privileged user win a race condition (CWE-362) to elevate to SYSTEM. The flaw spans a broad Windows fleet from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV; a vendor patch is available from Microsoft.
Local code execution in Microsoft Windows arises from a heap-based buffer overflow in a Windows Data DLL, letting an attacker who can get a victim to open crafted content run arbitrary code with the victim's privileges. Affected builds span Windows 10 (1607 through 22H2), Windows 11 (24H2, 25H2, 26H1), and Windows Server 2012 through 2025. Microsoft (the reporter) has released a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Remote code execution in the Microsoft Windows DHCP Server role allows an unauthenticated, adjacent-network attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122) in DHCP message parsing. Affected systems span Windows Server 2012 through Windows Server 2025 (including Server Core installations) plus the DHCP service on Windows 10 versions 1607 and 1809, with full confidentiality, integrity, and availability impact. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.
Remote code execution in Microsoft Windows GDI+ (gdiplus) lets an unauthenticated network attacker run arbitrary code when a victim opens or renders a specially crafted image, via a heap-based buffer overflow (CWE-122). The flaw affects a broad range of supported Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). It carries a critical CVSS 9.6 with a scope-changed impact, but requires user interaction and currently has no public exploit identified at time of analysis.
Local code execution in Microsoft Windows NTFS driver (heap-based buffer overflow, CWE-122) allows an attacker to run arbitrary code with the privileges of the exploited context. 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. CVSS 7.8 with high confidentiality, integrity, and availability impact; exploitation requires local access and user interaction, and there is no public exploit identified at time of analysis.
Remote denial of service in Microsoft Active Directory Federation Services (ADFS) allows an unauthenticated network attacker to crash the service via a stack-based buffer overflow (CWE-121). The flaw affects the ADFS role across Windows Server 2012 through 2025 (and the underlying Windows 10 1607/1809 servicing components), carries a CVSS 7.5 availability-only score, and was reported by Microsoft with a patch available. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Local code execution in Microsoft Windows NTFS arises from a heap-based buffer overflow (CWE-122) that an authorized, low-privileged local user can trigger to run arbitrary code and elevate to SYSTEM. The flaw spans a broad Windows footprint from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.8 (High).
Local privilege escalation in Windows App Installer (the MSIX/AppX package deployment component, msixbundle/App Installer) lets an already-authenticated low-privileged user overflow a stack buffer to gain higher privileges on affected Windows 10, Windows 11, and Windows Server builds. Microsoft self-reported the flaw and has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. The CVSS 7.8 (AV:L/PR:L) rating reflects a locally-launched attack with high confidentiality, integrity, and availability impact.
Local code execution in the Windows NTFS file system driver lets an unauthorized attacker run arbitrary code by tricking a user into interacting with specially crafted content, per Microsoft's MSRC advisory. The flaw is a heap-based buffer overflow (CWE-122) affecting a broad range of Windows releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the low attack complexity and full-CIA impact make it a meaningful local code-execution risk.
Local privilege escalation in the Windows NTFS file-system driver allows an authenticated attacker to run code with elevated (SYSTEM-level) privileges by triggering a stack-based buffer overflow (CWE-121). The flaw was reported by Microsoft and 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. No public exploit identified at time of analysis, and it is not listed in CISA KEV; the CVSS 3.1 base score is 7.8 (High).
Local privilege elevation in the Microsoft Windows TCP/IP networking stack lets an already-authenticated, low-privileged user corrupt kernel memory via a use-after-free (CWE-416) and gain SYSTEM-level control. The flaw affects a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, including Server Core installations. Microsoft reported the issue and has released a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Denial of service in Microsoft Windows Server Update Services (WSUS) lets a remote, unauthenticated attacker crash or disrupt the update service by triggering an uncaught exception over the network. The flaw affects WSUS across Windows Server 2012 through 2025 (plus Windows 10 1607/1809 servicing components), and the CVSS 3.1 availability-only vector (A:H) indicates service unavailability rather than data compromise. No public exploit identified at time of analysis, but a vendor patch is available and the flaw is network-reachable without authentication.
Denial of service in Microsoft Active Directory Federation Services (AD FS) lets a remote, unauthenticated attacker crash the service by triggering a stack-based buffer overflow (CWE-121) over the network. Because AD FS commonly fronts single sign-on for Microsoft 365, SaaS, and internal web applications, a successful crash can knock out federated authentication for an entire organization. No public exploit identified at time of analysis, and the flaw is availability-only — confidentiality and integrity are not impacted per the CVSS vector.
Local privilege escalation in the Windows Push Notifications component (WNS/WpnService) lets an already-authenticated low-privileged user overwrite adjacent heap memory to gain SYSTEM-level control across Windows 10 (1607-22H2), Windows 11 (24H2-26H1), and Windows Server 2012 R2 through 2025. Microsoft reported the flaw and has shipped a fix; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. The high CVSS 7.8 reflects full confidentiality, integrity, and availability impact once triggered, but exploitation requires prior local access.
Local privilege escalation in the Windows Redirected Drive Buffering Subsystem (RDBSS) lets an authenticated low-privileged attacker read memory beyond an allocated buffer to elevate to higher privileges. The flaw affects a broad range of currently-supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, Windows Server 2012 through Server 2025) and carries a CVSS 7.0 (High) rating. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local privilege escalation in the Windows Kernel lets a low-privileged, authenticated attacker gain SYSTEM-level control by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad platform range from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, and was reported internally by Microsoft. No public exploit is identified at time of analysis and it is not in CISA KEV, but the ubiquity of the affected component plus full high impact on confidentiality, integrity, and availability make it a meaningful patch priority.
Privilege escalation in the Windows Win32K kernel-mode subsystem lets an already-authenticated local user gain SYSTEM-level control across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). Rooted in improper access control (CWE-284), successful exploitation yields full confidentiality, integrity, and availability impact on the host. There is no public exploit identified at time of analysis and the CVSS vector's high attack complexity (AC:H) tempers the practical risk.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated, low-privileged user to elevate to SYSTEM through improper access control (CWE-284). Affected builds span Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. No public exploit identified at time of analysis, and it is not listed in CISA KEV; Microsoft has released a patch.
Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.
Local privilege escalation in the Windows Audio Compression Manager (ACM) allows a low-privileged authenticated user to elevate to higher privileges (CVSS 7.8, CWE-284 improper access control). It affects a broad Windows fleet spanning Windows 10 (1607 through 22H2), Windows 11 (24H2/25H2/26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows AppX Deployment Service (AppXSvc) lets an already-authenticated, low-privileged user win a race condition to elevate to higher privileges across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). The flaw stems from improper synchronization of a shared resource, and successful exploitation yields full confidentiality, integrity, and availability impact on the host. It is reported by Microsoft with a vendor patch available; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an already-authenticated low-privileged user to elevate to SYSTEM through an improper access-control flaw. The issue 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. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the flaw is not listed in CISA KEV.
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.
Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Elevation of privilege in Microsoft Windows (Server 2012 through 2025 and Windows 10/11 clients) lets a low-privileged local user gain SYSTEM-level rights by abusing an improper access control (CWE-284) weakness. The flaw was reported by Microsoft with a patch available, and CVSS 3.1 rates it 7.8 (High) with local vector and low privileges required. No public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-worthy but not emergency issue absent evidence of active exploitation.
Local code execution in the Microsoft Windows NTFS file-system driver lets an attacker run arbitrary code by inducing a victim to interact with a specially crafted NTFS artifact (e.g., a malicious volume, VHD, or file). The flaw stems from an integer underflow (CWE-191) and spans a broad range of Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10/11. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.
Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.
Local privilege escalation in the Microsoft Windows Kernel allows an unauthorized attacker to gain elevated (SYSTEM-level) privileges by triggering a use-after-free condition (CWE-416) in kernel memory. The flaw affects a broad range of supported Windows client and server releases, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Local code execution in the Windows NTFS driver (CVE-2026-49797) allows an attacker with local access to run arbitrary code by tricking a user into interacting with a maliciously crafted NTFS artifact, exploiting a heap-based buffer overflow (CWE-122). The flaw affects a broad range of Windows client and server releases from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has released a patch; no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local code execution in Windows GDI+ (the Graphics Device Interface Plus rendering component) affects a broad range of Microsoft Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An attacker who convinces a user to open or preview a specially crafted image or document triggers a heap-based buffer overflow (CWE-122) during graphics parsing, yielding arbitrary code execution in the context of the current user. The CVSS 3.1 base score is 7.8 (AV:L/AC:L/PR:N/UI:R); there is no public exploit identified at time of analysis and it is not listed in CISA KEV, but GDI+ image-parsing flaws are historically attractive to attackers.
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.
Local privilege escalation in Microsoft Windows Routing and Remote Access Service (RRAS) allows an already-authenticated low-privileged user to abuse a link-following (symlink/junction) flaw to gain higher privileges on the host. The bug affects a broad range of client and server SKUs from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1, and Microsoft has shipped a fix. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Elevation of privilege in the Windows Universal Disk Format File System driver (UDFS.sys) lets a low-privileged local user gain elevated (kernel/SYSTEM) rights after the victim mounts or opens a maliciously crafted UDF volume. The flaw stems from an integer arithmetic error (CWE-191) in the driver that parses UDF-formatted media such as ISO images, optical discs, and virtual disk files, and affects a broad range of Windows client and server releases from Windows Server 2012 and Windows 10 1607 through Windows 11 26H1 and Windows Server 2025. Microsoft reported the issue and has shipped a patch; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local privilege escalation in the Microsoft Windows NTFS driver allows an already-authenticated, low-privileged user to gain elevated (likely SYSTEM) privileges by triggering a stack-based buffer overflow, contingent on user interaction. The flaw spans a broad range of supported Windows client and server releases, from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025. Microsoft has issued a patch and reported the issue itself; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local code execution in Microsoft Windows NTFS (New Technology File System) stems from a heap-based buffer overflow (CWE-122) that lets a local attacker run arbitrary code with high confidentiality, integrity, and availability impact. The flaw affects a broad range of Windows client and server builds - from Windows 10 1607 and Server 2012 through Windows 11 26H1 and Server 2025 - and Microsoft has released a patch. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but NTFS's role as the default Windows filesystem makes the exposed surface extremely wide.
Information disclosure (and vendor-labeled privilege elevation) in the Windows DHCP Client affects Windows 10 (1607/1809), Windows Server 2012 through 2025, and their Server Core installations via an integer underflow (CWE-191) reachable over the network. A remote attacker positioned to answer DHCP traffic can craft malformed responses that wrap a length/counter calculation, with a CVSS 3.1 base of 7.5 (confidentiality impact only per the published vector). No public exploit is identified at time of analysis and it is not listed in CISA KEV, but Microsoft ships a patch.
Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
Remote code execution in Microsoft Active Directory Domain Services (AD DS) allows an authenticated network attacker to run arbitrary code on domain controllers by triggering a heap-based buffer overflow (CWE-122). Affected platforms span Windows Server 2012 through 2025 (including Server Core) and Windows 10/11 clients acting in AD roles, with Microsoft-issued patches available. There is no public exploit identified at time of analysis and it is not on CISA KEV, but the CVSS 8.8 rating and the sensitivity of the domain-controller attack surface make this a high-priority patch.
Remote code execution in the Microsoft Windows DHCP Server role allows an authenticated network attacker (PR:L) to trigger a heap-based buffer overflow and run arbitrary code on the server. The flaw affects DHCP Server across Windows Server 2012 through Server 2025 (including Server Core installations) and carries a CVSS 8.8 with full confidentiality, integrity, and availability impact. Reported by Microsoft with a vendor patch available; no public exploit identified at time of analysis.
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.
Windows Cryptographic Services across a broad range of Windows 10, Windows 11, and Windows Server versions fails to release allocated memory after its effective lifetime (CWE-401), enabling a remote unauthenticated attacker to cause a denial-of-service condition over the network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms exploitation requires no authentication, no user interaction, and no elevated privileges against default configurations. Microsoft has released a patch via MSRC advisory CVE-2026-44806; no public exploit or CISA KEV listing has been identified at time of analysis.
Remote code execution in Windows PowerShell allows an authenticated attacker with low privileges to run arbitrary code across a network by exploiting a relative path traversal (CWE-23) flaw, provided a victim is induced to interact (UI:R). Affecting supported Windows 10/11 clients and Windows Server 2012 through 2025, the issue carries a CVSS 8.0 with full confidentiality, integrity, and availability impact, and a vendor patch is available via MSRC. There is no public exploit identified at time of analysis, and the CVE is not listed in CISA KEV.
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
Local code execution in Microsoft Windows NTFS driver allows an authenticated attacker to run arbitrary code by triggering a heap-based buffer overflow (CWE-122) after inducing user interaction. The flaw 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. It was reported by Microsoft, a vendor patch is available, and there is no public exploit identified at time of analysis.
Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.
Local code execution in the Microsoft Graphics Component affects a broad range of supported Windows client and server releases (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through Server 2025). An attacker who convinces a user to open a specially crafted file or content triggers an out-of-bounds read (CWE-125) that Microsoft rates as enabling code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV; exploitation requires local access plus user interaction, making it a standard patch-cycle priority rather than an emergency.
Network code execution in the Windows Print Spooler service allows an authenticated attacker to win a synchronization race and run arbitrary code across a broad range of Windows client and server builds (Windows 10 1607 through Windows 11 26H1, and Windows Server 2012 through 2025). Microsoft rates it CVSS 8.8 with high confidentiality, integrity, and availability impact; a vendor patch is available, and there is no public exploit identified at time of analysis. Note that the CVE description and CVSS indicate remote code execution while the source tags label it 'Information Disclosure' — a discrepancy defenders should verify against the MSRC advisory.
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
Null pointer dereference in Windows Active Directory Domain Services (AD DS) enables a low-privileged authenticated attacker to crash the service remotely, causing denial of service across the affected domain. The flaw spans a wide range of Windows client and server releases, from Windows 10 version 1607 through Windows 11 version 26H1 and Windows Server 2012 through 2025. No public exploit code has been identified and this vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog at time of analysis, though the network-accessible attack surface and low privilege requirement lower the bar for abuse in environments with broad domain user access.
Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.
Remote code execution in the Windows Secure Socket Tunneling Protocol (SSTP) component lets an unauthenticated network attacker run arbitrary code by triggering a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of Windows client and server builds, from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the network attack vector combined with full high impact to confidentiality, integrity and availability makes it a meaningful patch priority.
Local privilege escalation in Microsoft Active Directory Federation Services (AD FS) lets an already-authenticated low-privileged user on the host gain higher privileges due to insufficient granularity of access control (CWE-1220). Affected deployments span AD FS on Windows Server 2012 through Windows Server 2025, and the flaw carries a CVSS 7.8 with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, so this is a patch-priority-driven rather than exploitation-driven risk.
Local code execution in Microsoft Windows GDI+ (the graphics rendering component) via a heap-based buffer overflow (CWE-122), affecting a broad range of Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Server 2012 through Server 2025. Per the supplied CVSS vector (PR:N), an unauthorized attacker who gets the vulnerable component to process crafted graphics data can achieve high-impact code execution (C:H/I:H/A:H) on the local system. Microsoft has published a patch; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated network attacker trigger a use-after-free (CWE-416) and run arbitrary code on a broad range of Windows 10, Windows 11, and Windows Server systems (Server 2012 through Server 2025). Rated CVSS 8.1, the flaw carries high impact to confidentiality, integrity, and availability but requires winning a race condition (AC:H), and no public exploit identified at time of analysis. Reported by Microsoft with a vendor patch available.
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Remote code execution in the Microsoft Windows TCP/IP networking stack allows an unauthenticated attacker on the same physical or logical network segment to win a race condition and run arbitrary code on the target. The flaw spans a broad range of desktop and server builds from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. There is no public exploit identified at time of analysis, but Microsoft has confirmed the issue and shipped a patch, and the high CVSS (8.8) plus network-facing kernel component make it a priority to remediate.
Information disclosure via uninitialized memory in the Windows SMB driver stack affects a broad range of Windows 10, Windows 11, and Windows Server versions. A locally authenticated, low-privileged attacker can trigger a code path that reads from uninitialized memory within the SMB subsystem, potentially leaking sensitive kernel or heap memory contents. No public exploit code or active exploitation has been identified at the time of analysis; Microsoft has released a patch via MSRC.
Denial of service in Windows Active Directory (spanning Windows 10, Windows 11, and Windows Server 2012 through 2025) lets a remote, unauthenticated attacker send crafted network traffic that drives an AD service into an infinite loop, exhausting CPU and rendering domain services unavailable. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N with high availability impact and no confidentiality or integrity loss, this is a pure availability threat against domain controllers. Microsoft has released a patch; there is no public exploit identified at time of analysis and no CISA KEV listing.
Remote code execution in the Windows Reliable Multicast Transport Driver (RMCAST) lets an unauthenticated attacker on the same network segment run arbitrary code by triggering an integer underflow (CWE-191) during multicast message processing. All supported Windows client and server builds from Windows Server 2012 through Windows Server 2025 and Windows 10 1607 through Windows 11 26H1 are affected. There is no public exploit identified at time of analysis, but the CVSS 8.8 adjacent-network unauthenticated profile and Microsoft's own reporting make this a high-priority patch.
Local code execution in the Microsoft Message Queuing (MSMQ) Queue Manager affects a broad range of Windows client and server releases from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A heap-based buffer overflow (CWE-122) lets an attacker who can reach the local MSMQ service run arbitrary code with high confidentiality, integrity, and availability impact; the CVSS 3.1 base score is 8.4 with a local attack vector but no privileges or user interaction required. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the vendor (Microsoft) has released a patch.
Local privilege escalation in the Microsoft Printer Drivers component across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025 lets an already-authenticated attacker corrupt kernel-adjacent memory to gain higher privileges. The flaw is a double free (CWE-415) triggered locally by a low-privileged user, yielding high confidentiality, integrity, and availability impact (CVSS 7.8). No public exploit identified at time of analysis, and it is not listed in CISA KEV.
Local privilege escalation in the Windows Win32K kernel-mode subsystem allows an authenticated low-privileged user to win a race condition and elevate to SYSTEM across Windows 10, Windows 11 (through 26H1), and Windows Server 2012 through 2025. Reported by Microsoft with a patch available, it carries CVSS 7.0 but a high attack complexity (AC:H) reflecting the timing-sensitive nature of the flaw. There is no public exploit identified at time of analysis, and EPSS is low (0.19%, 9th percentile), consistent with CISA SSVC rating exploitation as 'none.'
Local privilege escalation in the Windows Common Log File System (CLFS) Driver allows an already-authenticated, low-privileged user to elevate to SYSTEM on a wide range of Windows client and server releases. Microsoft classifies the root cause as exposure of sensitive information (CWE-200), but the CVSS impact profile (C:H/I:H/A:H) reflects that the leaked kernel data enables full local privilege escalation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, though CLFS has historically been a heavily exploited elevation-of-privilege target in Windows.
Local privilege escalation in the Windows Overlay Filter (WOF) driver allows an authenticated low-privileged user to elevate to SYSTEM by triggering a heap-based buffer overflow (CWE-122). The flaw spans a broad range of client and server SKUs from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through Server 2025. Microsoft has shipped a patch; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Local privilege escalation in the Microsoft Windows Quality Windows Audio/Video Experience (QWAVE) service lets an already-authenticated, low-privileged user elevate to higher privileges by exploiting a use-after-free (CWE-416) memory-corruption condition. The flaw spans a broad range of builds from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released a patch; there is no public exploit identified at time of analysis, and the CVSS 3.1 base score is 7.0 (AV:L/AC:H/PR:L).
Denial of service in Microsoft Active Directory Federation Services (AD FS) allows a remote, unauthenticated attacker to crash the service by triggering a stack-based buffer overflow over the network (CVSS 7.5, availability-only impact). Because AD FS brokers single sign-on and federated authentication, a successful attack can knock out login for every downstream application that relies on it. No public exploit has been identified at time of analysis, and it is not listed in CISA KEV.