Microsoft Windows 11 24H2 vulnerabilities

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-2025-29833 [HIGH] CWE-367 CVE-2025-29833: Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthori Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.

CVE-2025-48004 [HIGH] CWE-416 CVE-2025-48004: Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privile Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

CVE-2025-55693 [HIGH] CWE-416 CVE-2025-55693: Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

CVE-2025-21197 [MEDIUM] CWE-284 CVE-2025-21197: Improper access control in Windows NTFS allows an authorized attacker to disclose file path informat Improper access control in Windows NTFS allows an authorized attacker to disclose file path information under a folder where the attacker doesn't have permission to list content.

CVE-2025-62213 [HIGH] CWE-416 CVE-2025-62213: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

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-2025-49682 [HIGH] CWE-416 CVE-2025-49682: Use after free in Windows Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Media 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-2026-85870 [HIGH] CWE-122 CVE-2026-85870: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-85791 [HIGH] CWE-122 CVE-2026-85791: Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-109453 [HIGH] CWE-122 CVE-2026-109453: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-97810 [HIGH] CWE-122 CVE-2026-97810: Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an a Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-103555 [HIGH] CWE-122 CVE-2026-103555: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69492 [HIGH] CWE-122 CVE-2026-69492: Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to e Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69563 [HIGH] CWE-122 CVE-2026-69563: Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized a Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85365 [HIGH] CWE-122 CVE-2026-85365: Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privi Heap-based buffer overflow in Servicing Stack Updates 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-2026-59116 [MEDIUM] CWE-327 CVE-2026-59116: Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized at Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-83906 [MEDIUM] CWE-303 CVE-2026-83906: Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacke Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacker to perform spoofing over a network.