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 52 of 146
CVE-2026-50373P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50373 [HIGH] CWE-284 CVE-2026-50373: Improper access control in Microsoft Windows Search Component allows an authorized attacker to eleva Improper access control in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
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CVE-2026-50346P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50346 [HIGH] CWE-285 CVE-2026-50346: Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally. Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
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CVE-2025-59192P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59192 [HIGH] CWE-126 CVE-2025-59192: Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally. Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-42982P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-42982 [HIGH] CWE-1288 CVE-2026-42982: Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized a Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
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CVE-2026-50406P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50406 [HIGH] CWE-416 CVE-2026-50406: Use after free in Windows Backup Engine allows an authorized attacker to elevate privileges locally. Use after free in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
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CVE-2026-50359P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50359 [HIGH] CWE-416 CVE-2026-50359: Use after free in Microsoft XML Core Services allows an authorized attacker to elevate privileges lo Use after free in Microsoft XML Core Services allows an authorized attacker to elevate privileges locally.
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CVE-2026-57093P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-57093 [HIGH] CWE-416 CVE-2026-57093: 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-2026-32155P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32155 [HIGH] CWE-416 CVE-2026-32155: 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-2026-32078P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32078 [HIGH] CWE-416 CVE-2026-32078: 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-2026-50293P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50293 [HIGH] CWE-416 CVE-2026-50293: Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges loca Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges locally.
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CVE-2026-32074P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32074 [HIGH] CWE-415 CVE-2026-32074: Double free in Windows Projected File System allows an authorized attacker to elevate privileges loc Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
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CVE-2026-32069P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32069 [HIGH] CWE-415 CVE-2026-32069: Double free in Windows Projected File System allows an authorized attacker to elevate privileges loc Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
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CVE-2025-59278P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59278 [HIGH] CWE-1287 CVE-2025-59278: 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-2025-59275P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.64562025-10-14
CVE-2025-59275 [HIGH] CWE-122 CVE-2025-59275: 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-2026-42978P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.74172026-06-09
CVE-2026-42978 [HIGH] CWE-362 CVE-2026-42978: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
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CVE-2026-32089P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.71842026-04-14
CVE-2026-32089 [HIGH] CWE-362 CVE-2026-32089: Use after free in Windows Speech Brokered Api allows an authorized attacker to elevate privileges lo Use after free in Windows Speech Brokered Api allows an authorized attacker to elevate privileges locally.
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CVE-2026-50311P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50311 [HIGH] CWE-284 CVE-2026-50311: Improper access control in Windows Server allows an authorized attacker to elevate privileges locall Improper access control in Windows Server allows an authorized attacker to elevate privileges locally.
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CVE-2025-59502P3HIGHCVSS 7.5≥ 10.0.19044.0, < 10.0.19044.63322025-10-14
CVE-2025-59502 [HIGH] CWE-400 CVE-2025-59502: Uncontrolled resource consumption in Windows Remote Procedure Call allows an unauthorized attacker t Uncontrolled resource consumption in Windows Remote Procedure Call allows an unauthorized attacker to deny service over a network.
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CVE-2026-50425P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50425 [HIGH] CWE-416 CVE-2026-50425: Use after free in Windows Internal System User Profile allows an authorized attacker to elevate priv Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.
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CVE-2026-54109P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-54109 [HIGH] CWE-122 CVE-2026-54109: Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
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Microsoft Windows 10 Version 21H2 vulnerabilities | cvebase