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 123 of 188
CVE-2022-35757P3HIGHCVSS 7.3fixed in 10.0.19043.18892023-05-31
CVE-2022-35757 [HIGH] CVE-2022-35757: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
nvd
CVE-2026-40413P3HIGHCVSS 7.4fixed in 10.0.19044.72912026-05-12
CVE-2026-40413 [HIGH] CWE-476 CVE-2026-40413: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.
nvd
CVE-2025-48821P3HIGHCVSS 7.1fixed in 10.0.19044.60932025-07-08
CVE-2025-48821 [HIGH] CWE-416 CVE-2025-48821: 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 over an adjacent network.
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CVE-2026-41097P3MEDIUMCVSS 6.7fixed in 10.0.19044.72912026-05-12
CVE-2026-41097 [MEDIUM] CWE-1329 CVE-2026-41097: Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker
Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
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CVE-2025-59214P3MEDIUMCVSS 6.5fixed in 10.0.19044.64562025-10-14
CVE-2025-59214 [MEDIUM] CWE-200 CVE-2025-59214: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauth
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2025-26672P3MEDIUMCVSS 6.5fixed in 10.0.19044.57372025-04-08
CVE-2025-26672 [MEDIUM] CWE-126 CVE-2025-26672: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
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CVE-2025-27478P3HIGHCVSS 7.0fixed in 10.0.19044.57372025-04-08
CVE-2025-27478 [HIGH] CWE-122 CVE-2025-27478: Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker t
Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-20842P3HIGHCVSS 7.0fixed in 10.0.19044.68092026-01-13
CVE-2026-20842 [HIGH] CWE-416 CVE-2026-20842: Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
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CVE-2025-53140P3HIGHCVSS 7.0fixed in 10.0.19044.62162025-08-12
CVE-2025-53140 [HIGH] CWE-416 CVE-2025-53140: Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges loc
Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-32073P3HIGHCVSS 7.0fixed in 10.0.19044.71842026-04-14
CVE-2026-32073 [HIGH] CWE-416 CVE-2026-32073: 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.
nvd
CVE-2026-25179P3HIGHCVSS 7.0fixed in 10.0.19044.70582026-03-10
CVE-2026-25179 [HIGH] CWE-1287 CVE-2026-25179: Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allo
Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-80093P3HIGHCVSS 7.0fixed in 10.0.19044.77252026-09-08
CVE-2026-80093 [HIGH] CWE-416 CVE-2026-80093: 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.
nvd
CVE-2026-32070P3HIGHCVSS 7.0fixed in 10.0.19044.71842026-04-14
CVE-2026-32070 [HIGH] CWE-416 CVE-2026-32070: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83793P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83793 [HIGH] CWE-59 CVE-2026-83793: Improper link resolution before file access ('link following') in Windows Update Orchestrator Servic
Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-55340P3HIGHCVSS 7.0fixed in 10.0.19044.64562025-10-14
CVE-2025-55340 [HIGH] CWE-287 CVE-2025-55340: Improper authentication in Windows Remote Desktop Protocol allows an authorized attacker to bypass a
Improper authentication in Windows Remote Desktop Protocol allows an authorized attacker to bypass a security feature locally.
nvd
CVE-2026-72968P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-72968 [HIGH] CWE-416 CVE-2026-72968: 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-2026-70205P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70205 [HIGH] CWE-843 CVE-2026-70205: 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-2026-70140P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-70140 [HIGH] CWE-416 CVE-2026-70140: 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-2026-108135P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-108135 [HIGH] CWE-59 CVE-2026-108135: Improper link resolution before file access ('link following') in Windows Backup Engine allows an au
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
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CVE-2026-83915P3HIGHCVSS 7.0fixed in 10.0.19044.78072026-10-13
CVE-2026-83915 [HIGH] CWE-416 CVE-2026-83915: Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privile
Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privileges locally.
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