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Microsoft Windows 10 Version 21H2 vulnerabilities

2,906 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs
2,906
CISA KEV
95
actively exploited
Public exploits
67
Exploited in wild
123
Severity breakdown
CRITICAL79HIGH2093MEDIUM721LOW13

Vulnerabilities

Page 11 of 146
CVE-2026-50666P2HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50666 [HIGH] CWE-416 CVE-2026-50666: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-50360P2HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50360 [HIGH] CWE-303 CVE-2026-50360: Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized atta Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2023-32015P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.30862023-06-14
CVE-2023-32015 [CRITICAL] CWE-20 CVE-2023-32015: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
nvd
CVE-2023-28250P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.28462023-04-11
CVE-2023-28250 [CRITICAL] CWE-191 CVE-2023-28250: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
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CVE-2023-29363P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.30862023-06-14
CVE-2023-29363 [CRITICAL] CWE-122 CVE-2023-29363: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
nvd
CVE-2023-32014P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.30862023-06-14
CVE-2023-32014 [CRITICAL] CWE-191 CVE-2023-32014: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
nvd
CVE-2023-35365P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35365 [CRITICAL] CWE-20 CVE-2023-35365: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
nvd
CVE-2023-35366P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35366 [CRITICAL] CWE-20 CVE-2023-35366: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
nvd
CVE-2023-35367P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.32082023-07-11
CVE-2023-35367 [CRITICAL] CWE-20 CVE-2023-35367: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
nvd
CVE-2023-36911P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.33242023-08-08
CVE-2023-36911 [CRITICAL] CWE-190 CVE-2023-36911: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
nvd
CVE-2022-21894MEDIUMCVSS 4.4ExploitedPoC≥ 10.0.19043.0, < 10.0.19044.14662022-01-11
CVE-2022-21894 [MEDIUM] Secure Boot Security Feature Bypass Vulnerability Secure Boot Security Feature Bypass Vulnerability Secure Boot Security Feature Bypass Vulnerability
cvelistv5
CVE-2025-26670P2HIGHCVSS 8.1≥ 10.0.19044.0, < 10.0.19044.57372025-04-08
CVE-2025-26670 [HIGH] CWE-416 CVE-2025-26670: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
nvd
CVE-2022-44666P3HIGHCVSS 7.8≥ 10.0.19044.0, < 10.0.19044.23642022-12-13
CVE-2022-44666 [HIGH] CVE-2022-44666: Windows Contacts Remote Code Execution Vulnerability Windows Contacts Remote Code Execution Vulnerability
nvd
CVE-2026-25177P2HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.70582026-03-10
CVE-2026-25177 [HIGH] CWE-641 CVE-2026-25177: Improper restriction of names for files and other resources in Active Directory Domain Services allo Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-58626P2HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-58626 [HIGH] CWE-416 CVE-2026-58626: Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
nvd
CVE-2026-50502P2HIGHCVSS 8.8≥ 10.0.19044.0, < 10.0.19044.75482026-07-14
CVE-2026-50502 [HIGH] CWE-1220 CVE-2026-50502: Insufficient granularity of access control in Windows Event Logging Service allows an authorized att Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute code over a network.
nvd
CVE-2022-37954P3HIGHCVSS 7.8≥ 10.0.19043.0, < 10.0.19044.20062022-09-13
CVE-2022-37954 [HIGH] CVE-2022-37954: DirectX Graphics Kernel Elevation of Privilege Vulnerability DirectX Graphics Kernel Elevation of Privilege Vulnerability
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CVE-2023-21752P3HIGHCVSS 7.1PoC≥ 10.0.19043.0, < 10.0.19044.24862023-01-10
CVE-2023-21752 [HIGH] CWE-284 CVE-2023-21752: Windows Backup Service Elevation of Privilege Vulnerability Windows Backup Service Elevation of Privilege Vulnerability
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CVE-2022-21984P2HIGHCVSS 8.8≥ 10.0.19043.0, < 10.0.19044.15262022-02-09
CVE-2022-21984 [HIGH] CVE-2022-21984: Windows DNS Server Remote Code Execution Vulnerability Windows DNS Server Remote Code Execution Vulnerability
nvd
CVE-2022-34722P2CRITICALCVSS 9.8≥ 10.0.19043.0, < 10.0.19044.20062022-09-13
CVE-2022-34722 [CRITICAL] CVE-2022-34722: Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
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Microsoft Windows 10 Version 21H2 vulnerabilities | cvebase