Microsoft Windows 10 21H2 vulnerabilities

CVE-2026-32083 [HIGH] CWE-362 CVE-2026-32083: 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-2026-32082 [HIGH] CWE-362 CVE-2026-32082: 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-2026-85914 [HIGH] CWE-416 CVE-2026-85914: Use after free in Windows Embedded Mode Service allows an authorized attacker to elevate privileges Use after free in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.

CVE-2026-84019 [HIGH] CWE-416 CVE-2026-84019: Use after free in Windows Advanced Rasterization Platform allows an authorized attacker to elevate p Use after free in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.

CVE-2026-42836 [HIGH] CWE-362 CVE-2026-42836: Concurrent execution using shared resource with improper synchronization ('race condition') in Funct Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

CVE-2026-85329 [HIGH] CWE-362 CVE-2026-85329: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Account allows an authorized attacker to elevate privileges locally.

CVE-2026-96919 [HIGH] CWE-362 CVE-2026-96919: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-27918 [HIGH] CWE-362 CVE-2026-27918: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Shell allows an authorized attacker to elevate privileges locally.

CVE-2026-27927 [HIGH] CWE-362 CVE-2026-27927: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2026-33839 [HIGH] CWE-362 CVE-2026-33839: 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 elevate privileges locally.

CVE-2026-34331 [HIGH] CWE-362 CVE-2026-34331: 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 elevate privileges locally.

CVE-2026-85824 [HIGH] CWE-362 CVE-2026-85824: Use after free in Windows Composite Image File System allows an authorized attacker to elevate privi Use after free in Windows Composite Image File System allows an authorized attacker to elevate privileges locally.

CVE-2026-85825 [HIGH] CWE-362 CVE-2026-85825: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-88146 [HIGH] CWE-362 CVE-2026-88146: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

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-2026-26174 [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.