cbcvebase.

Microsoft Windows 10 Version 21H2 vulnerabilities

2,906 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs
2,906
CISA KEV
95
actively exploited
Public exploits
67
Exploited in wild
124
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13

Vulnerabilities

Page 91 of 146
CVE-2026-25178P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
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-2025-55678P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-55678 [HIGH] CWE-416 CVE-2025-55678: 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-2025-49762P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.62162025-08-12
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 7.0≥ 10.0.19044.0, < 10.0.19044.69372026-02-10
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 7.0≥ 10.0.19044.0, < 10.0.19044.69372026-02-10
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-2025-55335P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
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 7.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
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 7.0≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
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 7.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
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 7.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
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 7.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11
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 7.0≥ 10.0.19044.0, < 10.0.19044.66912025-12-09
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 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
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 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
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-2026-58637P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-58637 [HIGH] CWE-416 CVE-2026-58637: Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34340P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
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
CVE-2026-33104P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-33104 [HIGH] CWE-362 CVE-2026-33104: 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.
nvd
CVE-2026-34351P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-34351 [HIGH] CWE-362 CVE-2026-34351: 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.
nvd
CVE-2026-32090P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32090 [HIGH] CWE-362 CVE-2026-32090: 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 Brokered Api allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-23671P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-23671 [HIGH] CWE-362 CVE-2026-23671: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth RFCOM Protocol Driver allows an authorized attacker to elevate privileges locally.
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