Microsoft Windows 10 Version 21H2 vulnerabilities

3,631 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs

3,631

CISA KEV

actively exploited

Public exploits

Exploited in wild

126

Severity breakdown

CRITICAL104HIGH2642MEDIUM872LOW13

Vulnerabilities

SortPage 114 of 182

CVE-2022-41093P3HIGHCVSS 7.8≥ 10.0.19043.0, < 10.0.19044.22512022-11-09

CVE-2022-41093 [HIGH] CWE-362 CVE-2022-41093: Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

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CVE-2023-21820P3HIGHCVSS 7.4≥ 10.0.19043.0, < 10.0.19044.26042023-02-14

CVE-2023-21820 [HIGH] CWE-126 CVE-2023-21820: Windows Distributed File System (DFS) Remote Code Execution Vulnerability Windows Distributed File System (DFS) Remote Code Execution Vulnerability

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CVE-2022-35757P3HIGHCVSS 7.3≥ 10.0.19043.0, < 10.0.19044.18892023-05-31

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

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CVE-2025-48821P3HIGHCVSS 7.1≥ 10.0.19044.0, < 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-2025-59214P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 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.

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CVE-2025-26672P3MEDIUMCVSS 6.5≥ 10.0.19044.0, < 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 7.0≥ 10.0.19044.0, < 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.

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CVE-2025-60716P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.65752025-11-11

CVE-2025-60716 [HIGH] CWE-416 CVE-2025-60716: Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally. Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.

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CVE-2025-53140P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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-2026-25179P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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 7.0≥ 10.0.19044.0, < 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.

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CVE-2025-55340P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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.

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CVE-2026-20826P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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-2026-20836P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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-2026-20814P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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-2026-25178P3HIGHCVSS 7.0≥ 10.0.19044.0, < 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-2026-21234P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.69372026-02-10

CVE-2026-21234 [HIGH] CWE-362 CVE-2026-21234: 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-2026-69791P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.77252026-09-08

CVE-2026-69791 [HIGH] CWE-416 CVE-2026-69791: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

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CVE-2026-69540P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.77252026-09-08

CVE-2026-69540 [HIGH] CWE-416 CVE-2026-69540: 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-2026-83940P3HIGHCVSS 7.0≥ 10.0.19044.0, < 10.0.19044.77252026-09-08

CVE-2026-83940 [HIGH] CWE-416 CVE-2026-83940: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

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