Microsoft Windows 11 23H2 vulnerabilities

1,546 known vulnerabilities affecting microsoft/windows_11_23h2.

Total CVEs

1,546

CISA KEV

actively exploited

Public exploits

Exploited in wild

Severity breakdown

CRITICAL24HIGH1099MEDIUM416LOW7

Vulnerabilities

SortPage 50 of 78

CVE-2025-53134P3HIGHCVSS 7.0fixed in 10.0.22631.57682025-08-12

CVE-2025-53134 [HIGH] CWE-200 CVE-2025-53134: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-20814P3HIGHCVSS 7.0fixed in 10.0.22631.64912026-01-13

CVE-2026-20814 [HIGH] CWE-362 CVE-2026-20814: Concurrent execution using shared resource with improper synchronization ('race condition') in Graph Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-20826P3HIGHCVSS 7.0fixed in 10.0.22631.64912026-01-13

CVE-2026-20826 [HIGH] CWE-362 CVE-2026-20826: Concurrent execution using shared resource with improper synchronization ('race condition') in Table Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-34342P3HIGHCVSS 7.0fixed in 10.0.22631.70792026-05-12

CVE-2026-34342 [HIGH] CWE-362 CVE-2026-34342: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-20836P3HIGHCVSS 7.0fixed in 10.0.22631.64912026-01-13

CVE-2026-20836 [HIGH] CWE-362 CVE-2026-20836: Concurrent execution using shared resource with improper synchronization ('race condition') in Graph Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-25178P3HIGHCVSS 7.0fixed in 10.0.22631.67832026-03-10

CVE-2026-25178 [HIGH] CWE-416 CVE-2026-25178: 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.

nvd

CVE-2025-49762P3HIGHCVSS 7.0fixed in 10.0.22631.57682025-08-12

CVE-2025-49762 [HIGH] CWE-362 CVE-2025-49762: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-21237P3HIGHCVSS 7.0fixed in 10.0.22631.66492026-02-10

CVE-2026-21237 [HIGH] CWE-362 CVE-2026-21237: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-21234P3HIGHCVSS 7.0fixed in 10.0.22631.66492026-02-10

CVE-2026-21234 [HIGH] CWE-362 CVE-2026-21234: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-26165P3HIGHCVSS 7.0fixed in 10.0.22631.69362026-04-14

CVE-2026-26165 [HIGH] CWE-416 CVE-2026-26165: Use after free in Windows Shell allows an authorized attacker to elevate privileges locally. Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-55335P3HIGHCVSS 7.0fixed in 10.0.22631.60602025-10-14

CVE-2025-55335 [HIGH] CWE-362 CVE-2025-55335: Use after free in Windows NTFS allows an unauthorized attacker to elevate privileges locally. Use after free in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

nvd

CVE-2025-62217P3HIGHCVSS 7.0fixed in 10.0.22631.61992025-11-11

CVE-2025-62217 [HIGH] CWE-362 CVE-2025-62217: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-40410P3HIGHCVSS 7.0fixed in 10.0.22631.70792026-05-12

CVE-2026-40410 [HIGH] CWE-416 CVE-2026-40410: Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally. Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-59507P3HIGHCVSS 7.0fixed in 10.0.22631.61992025-11-11

CVE-2025-59507 [HIGH] CWE-362 CVE-2025-59507: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Speech allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-59508P3HIGHCVSS 7.0fixed in 10.0.22631.61992025-11-11

CVE-2025-59508 [HIGH] CWE-362 CVE-2025-59508: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Speech allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-59506P3HIGHCVSS 7.0fixed in 10.0.22631.61992025-11-11

CVE-2025-59506 [HIGH] CWE-362 CVE-2025-59506: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DirectX allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-62573P3HIGHCVSS 7.0fixed in 10.0.22631.63452025-12-09

CVE-2025-62573 [HIGH] CWE-362 CVE-2025-62573: Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally. Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-42911P3HIGHCVSS 7.0fixed in 10.0.22631.72192026-06-09

CVE-2026-42911 [HIGH] CWE-416 CVE-2026-42911: 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.

nvd

CVE-2026-34335P3HIGHCVSS 7.0fixed in 10.0.22631.72192026-06-09

CVE-2026-34335 [HIGH] CWE-416 CVE-2026-34335: 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.

nvd

CVE-2026-34340P3HIGHCVSS 7.0fixed in 10.0.22631.70792026-05-12

CVE-2026-34340 [HIGH] CWE-416 CVE-2026-34340: Use after free in Windows Projected File System allows an authorized attacker to elevate privileges Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.

nvd

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