Microsoft Windows 10 21H2 vulnerabilities
2,145 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
2,145
CISA KEV
87
actively exploited
Public exploits
54
Exploited in wild
98
Severity breakdown
CRITICAL59HIGH1530MEDIUM547LOW9
Vulnerabilities
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CVE-2025-26633P1HIGHCVSS 7.0KEVPoCRansomwarefixed in 10.0.19044.56082025-03-11
CVE-2025-26633 [HIGH] CWE-707 CVE-2025-26633: Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a
Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.
nvd
CVE-2024-49138P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.52472024-12-12
CVE-2024-49138 [HIGH] CWE-122 CVE-2024-49138: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
nvd
CVE-2024-35250P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.45292024-06-11
CVE-2024-35250 [HIGH] CWE-822 CVE-2024-35250: Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
nvd
CVE-2024-38193P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.47802024-08-13
CVE-2024-38193 [HIGH] CWE-416 CVE-2024-38193: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
nvd
CVE-2022-24521P1HIGHCVSS 7.8KEVPoCRansomwarefixed in 10.0.19044.16452022-04-15
CVE-2022-24521 [HIGH] CWE-787 CVE-2022-24521: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
nvd
CVE-2023-29360P1HIGHCVSS 8.4KEVPoCfixed in 10.0.19044.30862023-06-14
CVE-2023-29360 [HIGH] CWE-822 CVE-2023-29360: Microsoft Streaming Service Elevation of Privilege Vulnerability
Microsoft Streaming Service Elevation of Privilege Vulnerability
nvd
CVE-2023-36802P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.34482023-09-12
CVE-2023-36802 [HIGH] CWE-416 CVE-2023-36802: Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
nvd
CVE-2024-30051P1HIGHCVSS 7.8KEVPoCRansomwarefixed in 10.0.19044.44122024-05-14
CVE-2024-30051 [HIGH] CWE-122 CVE-2024-30051: Windows DWM Core Library Elevation of Privilege Vulnerability
Windows DWM Core Library Elevation of Privilege Vulnerability
nvd
CVE-2025-62215P1HIGHCVSS 7.0KEVPoCfixed in 10.0.19044.65752025-11-11
CVE-2025-62215 [HIGH] CWE-362 CVE-2025-62215: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-21333P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.53712025-01-14
CVE-2025-21333 [HIGH] CWE-122 CVE-2025-21333: Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
nvd
CVE-2021-43226P1HIGHCVSS 7.8KEVPoCRansomwarefixed in 10.0.19044.14152021-12-15
CVE-2021-43226 [HIGH] CVE-2021-43226: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
nvd
CVE-2026-32202P2MEDIUMCVSS 4.3KEVPoCfixed in 10.0.19044.71842026-04-14
CVE-2026-32202 [MEDIUM] CWE-693 CVE-2026-32202: Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing ov
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2023-36424P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.36932023-11-14
CVE-2023-36424 [HIGH] CWE-125 CVE-2023-36424: Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
nvd
CVE-2025-24990P1HIGHCVSS 7.8KEVPoCfixed in 10.0.19044.64562025-10-14
CVE-2025-24990 [HIGH] CWE-822 CVE-2025-24990: Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with
Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update.
Fax modem hardware dependent on this specific driver will no longer work on Window
nvd
CVE-2022-26904P1HIGHCVSS 7.0KEVPoCfixed in 10.0.19044.16452022-04-15
CVE-2022-26904 [HIGH] CWE-362 CVE-2022-26904: Windows User Profile Service Elevation of Privilege Vulnerability
Windows User Profile Service Elevation of Privilege Vulnerability
nvd
CVE-2022-21919P1HIGHCVSS 7.0KEVPoCfixed in 10.0.19044.14662022-01-11
CVE-2022-21919 [HIGH] CWE-59 CVE-2022-21919: Windows User Profile Service Elevation of Privilege Vulnerability
Windows User Profile Service Elevation of Privilege Vulnerability
nvd
CVE-2023-28229P1HIGHCVSS 7.0KEVPoCfixed in 10.0.19044.28462023-04-11
CVE-2023-28229 [HIGH] CWE-591 CVE-2023-28229: Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
nvd
CVE-2026-20805P2MEDIUMCVSS 5.5KEVPoCfixed in 10.0.19044.68092026-01-13
CVE-2026-20805 [MEDIUM] CWE-200 CVE-2026-20805: Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an auth
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
nvd
CVE-2022-44698P1MEDIUMCVSS 5.4KEVRansomwarefixed in 10.0.19044.23642022-12-13
CVE-2022-44698 [MEDIUM] CVE-2022-44698: Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability
nvd
CVE-2024-43572P1HIGHCVSS 7.8KEVfixed in 10.0.19044.50112024-10-08
CVE-2024-43572 [HIGH] CWE-707 CVE-2024-43572: Microsoft Management Console Remote Code Execution Vulnerability
Microsoft Management Console Remote Code Execution Vulnerability
nvd