cbcvebase.

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 117 of 188
CVE-2026-70253P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70253 [HIGH] CWE-416 CVE-2026-70253: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-70176P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70176 [HIGH] CWE-416 CVE-2026-70176: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-70237P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70237 [HIGH] CWE-416 CVE-2026-70237: 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-2026-23667P3HIGHCVSS 7.0fixed in 10.0.19044.70582026-03-10
CVE-2026-23667 [HIGH] CWE-416 CVE-2026-23667: Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally. Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
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CVE-2026-70236P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70236 [HIGH] CWE-416 CVE-2026-70236: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-70223P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70223 [HIGH] CWE-416 CVE-2026-70223: Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-70164P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70164 [HIGH] CWE-416 CVE-2026-70164: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-70026P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70026 [HIGH] CWE-416 CVE-2026-70026: Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges loc Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
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CVE-2026-70045P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70045 [HIGH] CWE-416 CVE-2026-70045: Use after free in Windows Work Folders allows an authorized attacker to elevate privileges locally. Use after free in Windows Work Folders allows an authorized attacker to elevate privileges locally.
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CVE-2026-70056P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70056 [HIGH] CWE-416 CVE-2026-70056: Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-83916P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83916 [HIGH] CWE-415 CVE-2026-83916: Double free in Windows Error Reporting allows an authorized attacker to execute code locally. Double free in Windows Error Reporting allows an authorized attacker to execute code locally.
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CVE-2026-70168P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70168 [HIGH] CWE-416 CVE-2026-70168: 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-2026-83901P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83901 [HIGH] CWE-416 CVE-2026-83901: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-70209P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70209 [HIGH] CWE-416 CVE-2026-70209: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-70134P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70134 [HIGH] CWE-416 CVE-2026-70134: Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally. Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
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CVE-2026-70067P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70067 [HIGH] CWE-416 CVE-2026-70067: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-83738P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83738 [HIGH] CWE-362 CVE-2026-83738: 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-2026-83834P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83834 [HIGH] CWE-367 CVE-2026-83834: 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-2026-102208P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-102208 [HIGH] CWE-416 CVE-2026-102208: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-83682P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83682 [HIGH] CWE-416 CVE-2026-83682: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 10 21H2 vulnerabilities | cvebase