Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-25190 [HIGH] CWE-426 CVE-2026-25190: Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally. Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally.

CVE-2025-59194 [HIGH] CWE-908 CVE-2025-59194: Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges Use of uninitialized resource in Windows Kernel 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-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-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-2025-25004 [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-2026-50682 [HIGH] CWE-125 CVE-2026-50682: Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.

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-2026-20816 [HIGH] CWE-367 CVE-2026-20816: Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker Time-of-check time-of-use (toctou) race condition in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2025-58720 [HIGH] CWE-1240 CVE-2025-58720: Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allow Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2025-60719 [HIGH] CWE-822 CVE-2025-60719: 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-2025-59206 [HIGH] CWE-416 CVE-2025-59206: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

CVE-2025-59210 [HIGH] CWE-416 CVE-2025-59210: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

CVE-2026-21253 [HIGH] CWE-416 CVE-2026-21253: Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally.

CVE-2025-58725 [HIGH] CWE-122 CVE-2025-58725: Heap-based buffer overflow in Windows COM allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows COM allows an authorized attacker to elevate privileges locally.

CVE-2026-20847 [MEDIUM] CWE-200 CVE-2026-20847: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

CVE-2026-57982 [MEDIUM] CWE-908 CVE-2026-57982: Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information o Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information over a network.

CVE-2026-40414 [HIGH] CWE-476 CVE-2026-40414: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.