Microsoft Windows 11 Version 25H2 vulnerabilities

452 known vulnerabilities affecting microsoft/windows_11_version_25h2.

Total CVEs
452
CISA KEV
11
actively exploited
Public exploits
2
Exploited in wild
0
Severity breakdown
CRITICAL3HIGH337MEDIUM110LOW2

Vulnerabilities

Page 11 of 23
CVE-2026-20804HIGHCVSS 7.7≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20804 [HIGH] CWE-266 CVE-2026-20804: Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
cvelistv5nvd
CVE-2026-20811HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20811 [HIGH] CWE-822 CVE-2026-20811: Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an au Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20852HIGHCVSS 7.7≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20852 [HIGH] CWE-266 CVE-2026-20852: Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
cvelistv5nvd
CVE-2026-20869HIGHCVSS 7.0≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20869 [HIGH] CWE-362 CVE-2026-20869: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20867HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20867 [HIGH] CWE-362 CVE-2026-20867: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20822HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20822 [HIGH] CWE-416 CVE-2026-20822: Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges l Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20849HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20849 [HIGH] CWE-807 CVE-2026-20849: Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacke Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
cvelistv5nvd
CVE-2026-20870HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20870 [HIGH] CWE-416 CVE-2026-20870: Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20861HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20861 [HIGH] CWE-362 CVE-2026-20861: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20815HIGHCVSS 7.0≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20815 [HIGH] CWE-362 CVE-2026-20815: Concurrent execution using shared resource with improper synchronization ('race condition') in Capab Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20854HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20854 [HIGH] CWE-416 CVE-2026-20854: Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized at Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
cvelistv5nvd
CVE-2026-20848HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20848 [HIGH] CWE-362 CVE-2026-20848: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
cvelistv5nvd
CVE-2026-20873HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20873 [HIGH] CWE-362 CVE-2026-20873: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20843HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20843 [HIGH] CWE-284 CVE-2026-20843: Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized att Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-21221HIGHCVSS 7.0≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-21221 [HIGH] CWE-362 CVE-2026-21221: Concurrent execution using shared resource with improper synchronization ('race condition') in Capab Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20817HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20817 [HIGH] CWE-280 CVE-2026-20817: Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an aut Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20808HIGHCVSS 7.0≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20808 [HIGH] CWE-362 CVE-2026-20808: Concurrent execution using shared resource with improper synchronization ('race condition') in Print Concurrent execution using shared resource with improper synchronization ('race condition') in Printer Association Object allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20863HIGHCVSS 7.0≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20863 [HIGH] CWE-415 CVE-2026-20863: Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
cvelistv5nvd
CVE-2026-20832HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20832 [HIGH] CWE-415 CVE-2026-20832: Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerabili Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability
cvelistv5nvd
CVE-2026-20860HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20860 [HIGH] CWE-843 CVE-2026-20860: 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.
cvelistv5nvd