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 92 of 146
CVE-2026-24295P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24295 [HIGH] CWE-362 CVE-2026-24295: 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.
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CVE-2026-24296P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24296 [HIGH] CWE-362 CVE-2026-24296: 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.
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CVE-2026-26177P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26177 [HIGH] CWE-416 CVE-2026-26177: 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.
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CVE-2026-27922P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27922 [HIGH] CWE-416 CVE-2026-27922: 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.
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CVE-2026-26182P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26182 [HIGH] CWE-416 CVE-2026-26182: 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.
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CVE-2026-50378P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50378 [HIGH] CWE-362 CVE-2026-50378: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Key Guard allows an authorized attacker to elevate privileges locally.
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CVE-2026-50296P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50296 [HIGH] CWE-416 CVE-2026-50296: Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally. Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-50410P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50410 [HIGH] CWE-416 CVE-2026-50410: Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally. Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
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CVE-2026-50449P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50449 [HIGH] CWE-416 CVE-2026-50449: Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally. Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
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CVE-2026-50371P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50371 [HIGH] CWE-362 CVE-2026-50371: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows LUAFV allows an authorized attacker to elevate privileges locally.
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CVE-2026-45601P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-45601 [HIGH] CWE-362 CVE-2026-45601: 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.
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CVE-2026-45596P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
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.
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CVE-2026-45598P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-45598 [HIGH] CWE-362 CVE-2026-45598: 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.
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CVE-2026-45603P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-45603 [HIGH] CWE-362 CVE-2026-45603: 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.
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CVE-2026-26173P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26173 [HIGH] CWE-362 CVE-2026-26173: 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.
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CVE-2025-59259P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59259 [MEDIUM] CWE-1287 CVE-2025-59259: Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an auth Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
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CVE-2026-50672P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50672 [HIGH] CWE-362 CVE-2026-50672: Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally. Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
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CVE-2023-36871P3MEDIUMCVSS 6.5≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-36871 [MEDIUM] CVE-2023-36871: Azure Active Directory Security Feature Bypass Vulnerability Azure Active Directory Security Feature Bypass Vulnerability
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CVE-2023-38159P3HIGHCVSS 7.0≥ 10.0.19043.0, < 10.0.19041.35702023-10-10
CVE-2023-38159 [HIGH] CWE-591 CVE-2023-38159: Windows Graphics Component Elevation of Privilege Vulnerability Windows Graphics Component Elevation of Privilege Vulnerability
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CVE-2026-56168P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-56168 [MEDIUM] CWE-476 CVE-2026-56168: Null pointer dereference in Windows SMB Server allows an authorized attacker to deny service over a Null pointer dereference in Windows SMB Server allows an authorized attacker to deny service over a network.
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