Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2026-85912 [HIGH] CWE-362 CVE-2026-85912: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-45597 [HIGH] CWE-362 CVE-2026-45597: Concurrent execution using shared resource with improper synchronization ('race condition') in UI Au Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.

CVE-2026-26174 [HIGH] CWE-362 CVE-2026-26174: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

CVE-2026-27926 [HIGH] CWE-362 CVE-2026-27926: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-45596 [HIGH] CWE-362 CVE-2026-45596: 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-2026-33099 [HIGH] CWE-416 CVE-2026-33099: 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-2026-33100 [HIGH] CWE-416 CVE-2026-33100: 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-2026-32068 [HIGH] CWE-362 CVE-2026-32068: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

CVE-2026-34337 [HIGH] CWE-362 CVE-2026-34337: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-88096 [HIGH] CWE-362 CVE-2026-88096: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DCOM Server allows an authorized attacker to elevate privileges locally.

CVE-2026-88107 [HIGH] CWE-362 CVE-2026-88107: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-85904 [HIGH] CWE-362 CVE-2026-85904: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

CVE-2025-24996 [MEDIUM] CWE-73 CVE-2025-24996: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-26169 [MEDIUM] CWE-126 CVE-2026-26169: Buffer over-read in Windows Kernel Memory allows an authorized attacker to disclose information loca Buffer over-read in Windows Kernel Memory allows an authorized attacker to disclose information locally.

CVE-2026-102206 [MEDIUM] CWE-122 CVE-2026-102206: Heap-based buffer overflow in Windows Portable Device MTP Driver allows an unauthorized attacker to Heap-based buffer overflow in Windows Portable Device MTP Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-71329 [MEDIUM] CWE-122 CVE-2026-71329: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a ph Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-71350 [MEDIUM] CWE-122 CVE-2026-71350: Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-71348 [MEDIUM] CWE-122 CVE-2026-71348: Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-68833 [MEDIUM] CWE-122 CVE-2026-68833: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a ph Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-69566 [MEDIUM] CWE-122 CVE-2026-69566: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a ph Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.