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Microsoft Windows 10 21H2 vulnerabilities

3,745 known vulnerabilities affecting microsoft/windows_10_21h2.

Total CVEs
3,745
CISA KEV
91
actively exploited
Public exploits
55
Exploited in wild
102
Severity breakdown
CRITICAL123HIGH2691MEDIUM922LOW9

Vulnerabilities

Page 129 of 188
CVE-2026-69856P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69856 [HIGH] CWE-362 CVE-2026-69856: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally. Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
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CVE-2026-85941P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85941 [HIGH] CWE-362 CVE-2026-85941: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
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CVE-2026-102207P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-102207 [HIGH] CWE-362 CVE-2026-102207: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-23671P3HIGHCVSS 7.0fixed in 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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CVE-2026-24295P3HIGHCVSS 7.0fixed in 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 7.0fixed in 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-2026-70169P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70169 [HIGH] CWE-362 CVE-2026-70169: 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.
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CVE-2026-83841P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83841 [HIGH] CWE-362 CVE-2026-83841: 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 allows an authorized attacker to elevate privileges locally.
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CVE-2026-50378P3HIGHCVSS 7.0fixed in 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-2026-54107P3HIGHCVSS 7.0fixed in 10.0.19044.75482026-07-14
CVE-2026-54107 [HIGH] CWE-362 CVE-2026-54107: 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 allows an authorized attacker to elevate privileges locally.
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CVE-2026-50667P3HIGHCVSS 7.0fixed in 10.0.19044.75482026-07-14
CVE-2026-50667 [HIGH] CWE-362 CVE-2026-50667: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.
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CVE-2026-34340P3HIGHCVSS 7.0fixed in 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.
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CVE-2026-33104P3HIGHCVSS 7.0fixed in 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.
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CVE-2026-34351P3HIGHCVSS 7.0fixed in 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.
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CVE-2026-32090P3HIGHCVSS 7.0fixed in 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.
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CVE-2026-85333P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-85333 [HIGH] CWE-362 CVE-2026-85333: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Performance Monitor allows an authorized attacker to elevate privileges locally.
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CVE-2026-26177P3HIGHCVSS 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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-2026-68840P3HIGHCVSS 7.0fixed in 10.0.19044.77252026-09-08
CVE-2026-68840 [HIGH] CWE-362 CVE-2026-68840: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 10 21H2 vulnerabilities | cvebase