Microsoft Windows 10 Version 21H2 vulnerabilities

2,449 known vulnerabilities affecting microsoft/windows_10_version_21h2.

Total CVEs
2,449
CISA KEV
94
actively exploited
Public exploits
36
Exploited in wild
75
Severity breakdown
CRITICAL60HIGH1758MEDIUM621LOW10

Vulnerabilities

Page 43 of 123
CVE-2025-21280MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21280 [MEDIUM] CWE-20 CVE-2025-21280: Windows Virtual Trusted Platform Module Denial of Service Vulnerability Windows Virtual Trusted Platform Module Denial of Service Vulnerability
nvd
CVE-2025-21314MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21314 [MEDIUM] CWE-451 Windows SmartScreen Spoofing Vulnerability Windows SmartScreen Spoofing Vulnerability Windows SmartScreen Spoofing Vulnerability
cvelistv5
CVE-2025-21213MEDIUMCVSS 4.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21213 [MEDIUM] CWE-284 Secure Boot Security Feature Bypass Vulnerability Secure Boot Security Feature Bypass Vulnerability Secure Boot Security Feature Bypass Vulnerability
cvelistv5
CVE-2025-21258MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21258 [MEDIUM] CWE-125 CVE-2025-21258: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21232MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21232 [MEDIUM] CWE-125 CVE-2025-21232: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21255MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21255 [MEDIUM] CWE-125 CVE-2025-21255: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21324MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21324 [MEDIUM] CWE-125 CVE-2025-21324: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21318MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21318 [MEDIUM] CWE-532 CVE-2025-21318: Windows Kernel Memory Information Disclosure Vulnerability Windows Kernel Memory Information Disclosure Vulnerability
nvd
CVE-2025-21323MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21323 [MEDIUM] CWE-532 CVE-2025-21323: Windows Kernel Memory Information Disclosure Vulnerability Windows Kernel Memory Information Disclosure Vulnerability
nvd
CVE-2025-21308MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21308 [MEDIUM] CWE-200 Windows Themes Spoofing Vulnerability Windows Themes Spoofing Vulnerability Windows Themes Spoofing Vulnerability
cvelistv5
CVE-2025-21327MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21327 [MEDIUM] CWE-125 CVE-2025-21327: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21278MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21278 [MEDIUM] CWE-362 CVE-2025-21278: Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
nvd
CVE-2025-21329MEDIUMCVSS 4.3≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21329 [MEDIUM] CWE-41 CVE-2025-21329: MapUrlToZone Security Feature Bypass Vulnerability MapUrlToZone Security Feature Bypass Vulnerability
nvd
CVE-2025-21257MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21257 [MEDIUM] CWE-125 CVE-2025-21257: Windows WLAN AutoConfig Service Information Disclosure Vulnerability Windows WLAN AutoConfig Service Information Disclosure Vulnerability
nvd
CVE-2025-21336MEDIUMCVSS 5.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21336 [MEDIUM] CWE-203 CVE-2025-21336: Windows Cryptographic Information Disclosure Vulnerability Windows Cryptographic Information Disclosure Vulnerability
nvd
CVE-2025-21319MEDIUMCVSS 5.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21319 [MEDIUM] CWE-532 CVE-2025-21319: Windows Kernel Memory Information Disclosure Vulnerability Windows Kernel Memory Information Disclosure Vulnerability
nvd
CVE-2025-21227MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21227 [MEDIUM] CWE-125 CVE-2025-21227: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21272MEDIUMCVSS 6.5≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21272 [MEDIUM] CWE-908 CVE-2025-21272: Windows COM Server Information Disclosure Vulnerability Windows COM Server Information Disclosure Vulnerability
nvd
CVE-2025-21229MEDIUMCVSS 6.6≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21229 [MEDIUM] CWE-125 CVE-2025-21229: Windows Digital Media Elevation of Privilege Vulnerability Windows Digital Media Elevation of Privilege Vulnerability
nvd
CVE-2025-21242MEDIUMCVSS 5.9≥ 10.0.19044.0, < 10.0.19044.53712025-01-14
CVE-2025-21242 [MEDIUM] CWE-200 CVE-2025-21242: Windows Kerberos Information Disclosure Vulnerability Windows Kerberos Information Disclosure Vulnerability
nvd
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