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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 124 of 188
CVE-2026-70230P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70230 [HIGH] CWE-416 CVE-2026-70230: Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally. Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69596P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69596 [HIGH] CWE-416 CVE-2026-69596: Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to e Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69977P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69977 [HIGH] CWE-416 CVE-2026-69977: Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attack Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69795P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-69795 [HIGH] CWE-476 CVE-2026-69795: Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privil Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-20826P3HIGHCVSS 7.0fixed in 10.0.19044.68092026-01-13
CVE-2026-20826 [HIGH] CWE-362 CVE-2026-20826: Concurrent execution using shared resource with improper synchronization ('race condition') in Table Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-83842P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83842 [HIGH] CWE-415 CVE-2026-83842: Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-20814P3HIGHCVSS 7.0fixed in 10.0.19044.68092026-01-13
CVE-2026-20814 [HIGH] CWE-362 CVE-2026-20814: Concurrent execution using shared resource with improper synchronization ('race condition') in Graph Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-20836P3HIGHCVSS 7.0fixed in 10.0.19044.68092026-01-13
CVE-2026-20836 [HIGH] CWE-362 CVE-2026-20836: Concurrent execution using shared resource with improper synchronization ('race condition') in Graph Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-34342P3HIGHCVSS 7.0fixed in 10.0.19044.72912026-05-12
CVE-2026-34342 [HIGH] CWE-362 CVE-2026-34342: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
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CVE-2026-102193P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-102193 [HIGH] CWE-416 CVE-2026-102193: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-102197P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-102197 [HIGH] CWE-416 CVE-2026-102197: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-102194P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-102194 [HIGH] CWE-416 CVE-2026-102194: 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-2026-83696P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83696 [HIGH] CWE-416 CVE-2026-83696: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-25178P3HIGHCVSS 7.0fixed in 10.0.19044.70582026-03-10
CVE-2026-25178 [HIGH] CWE-416 CVE-2026-25178: 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-2026-83644P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83644 [HIGH] CWE-416 CVE-2026-83644: Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally. Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-103565P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-103565 [HIGH] CWE-416 CVE-2026-103565: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-108132P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-108132 [HIGH] CWE-415 CVE-2026-108132: Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally. Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
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CVE-2026-96923P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-96923 [HIGH] CWE-416 CVE-2026-96923: Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges lo Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-96301P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-96301 [HIGH] CWE-416 CVE-2026-96301: Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-96254P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-96254 [HIGH] CWE-416 CVE-2026-96254: Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 10 21H2 vulnerabilities | cvebase