Microsoft Windows 11 23H2 vulnerabilities

CVE-2024-26228 [HIGH] CWE-310 CVE-2024-26228: Windows Cryptographic Services Security Feature Bypass Vulnerability Windows Cryptographic Services Security Feature Bypass Vulnerability

CVE-2025-49686 [HIGH] CWE-476 CVE-2025-49686: Null pointer dereference in Windows TCP/IP allows an authorized attacker to elevate privileges local Null pointer dereference in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2025-47985 [HIGH] CWE-822 CVE-2025-47985: Untrusted pointer dereference in Windows Event Tracing allows an authorized attacker to elevate priv Untrusted pointer dereference in Windows Event Tracing allows an authorized attacker to elevate privileges locally.

CVE-2025-49661 [HIGH] CWE-822 CVE-2025-49661: Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-55230 [HIGH] CWE-822 CVE-2025-55230: Untrusted pointer dereference in Windows MBT Transport driver allows an authorized attacker to eleva Untrusted pointer dereference in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.

CVE-2026-32071 [HIGH] CWE-476 CVE-2026-32071: Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an una Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

CVE-2025-27738 [MEDIUM] CWE-284 CVE-2025-27738: Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to dis Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.

CVE-2026-35416 [HIGH] CWE-416 CVE-2026-35416: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-29842 [HIGH] CWE-349 CVE-2025-29842: Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-54919 [HIGH] CWE-362 CVE-2025-54919: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CVE-2026-27908 [HIGH] CWE-416 CVE-2026-27908: Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.

CVE-2025-49690 [HIGH] CWE-362 CVE-2025-49690: Concurrent execution using shared resource with improper synchronization ('race condition') in Capab Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an unauthorized attacker to elevate privileges locally.

CVE-2025-25004 [HIGH] CWE-284 CVE-2025-25004: Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

CVE-2026-27921 [HIGH] CWE-362 CVE-2026-27921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-41108 [HIGH] CWE-122 CVE-2026-41108: Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privile Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-45653 [HIGH] CWE-122 CVE-2026-45653: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-26635 [MEDIUM] CWE-1390 CVE-2025-26635: Weak authentication in Windows Hello allows an authorized attacker to bypass a security feature over Weak authentication in Windows Hello allows an authorized attacker to bypass a security feature over a network.

CVE-2023-36393 [HIGH] CWE-426 CVE-2023-36393: Windows User Interface Application Core Remote Code Execution Vulnerability Windows User Interface Application Core Remote Code Execution Vulnerability

CVE-2024-30073 [HIGH] CWE-41 CVE-2024-30073: Windows Security Zone Mapping Security Feature Bypass Vulnerability Windows Security Zone Mapping Security Feature Bypass Vulnerability

CVE-2024-38066 [HIGH] CWE-416 CVE-2024-38066: Windows Win32k Elevation of Privilege Vulnerability Windows Win32k Elevation of Privilege Vulnerability