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
123
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13

Vulnerabilities

Page 45 of 146
CVE-2026-26156P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26156 [HIGH] CWE-20 CVE-2026-26156: Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locall Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.
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CVE-2026-32154P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32154 [HIGH] CWE-416 CVE-2026-32154: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
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CVE-2025-62571P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.66912025-12-09
CVE-2025-62571 [HIGH] CWE-20 CVE-2025-62571: Improper input validation in Windows Installer allows an authorized attacker to elevate privileges l Improper input validation in Windows Installer allows an authorized attacker to elevate privileges locally.
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CVE-2025-59277P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59277 [HIGH] CWE-1287 CVE-2025-59277: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.
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CVE-2026-24292P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-24292 [HIGH] CWE-416 CVE-2026-24292: Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to eleva Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
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CVE-2026-54993P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-54993 [HIGH] CWE-122 CVE-2026-54993: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
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CVE-2026-50312P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50312 [HIGH] CWE-416 CVE-2026-50312: 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-2026-42916P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42916 [HIGH] CWE-190 CVE-2026-42916: Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate priv Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-41088P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-41088 [HIGH] CWE-73 CVE-2026-41088: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-34344P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-34344 [HIGH] CWE-843 CVE-2026-34344: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-58610P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-58610 [HIGH] CWE-122 CVE-2026-58610: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-50337P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50337 [HIGH] CWE-704 CVE-2026-50337: Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate p Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally.
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CVE-2026-50493P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50493 [HIGH] CWE-416 CVE-2026-50493: Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locall Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-34330P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-34330 [HIGH] CWE-190 CVE-2026-34330: 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.
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CVE-2026-40408P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.72912026-05-12
CVE-2026-40408 [HIGH] CWE-416 CVE-2026-40408: Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges lo Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
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CVE-2026-27915P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-27915 [HIGH] CWE-416 CVE-2026-27915: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
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CVE-2026-26162P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26162 [HIGH] CWE-843 CVE-2026-26162: Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized at Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.
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CVE-2026-26163P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-26163 [HIGH] CWE-415 CVE-2026-26163: Double free in Windows Kernel allows an authorized attacker to elevate privileges locally. Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2025-53768P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-53768 [HIGH] CWE-362 CVE-2025-53768: Use after free in Xbox allows an authorized attacker to elevate privileges locally. Use after free in Xbox allows an authorized attacker to elevate privileges locally.
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CVE-2026-20874P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.68092026-01-13
CVE-2026-20874 [HIGH] CWE-362 CVE-2026-20874: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
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