Microsoft Windows 11 Version 25H2 vulnerabilities
2,836 known vulnerabilities affecting microsoft/windows_11_version_25h2.
Total CVEs
2,836
CISA KEV
16
actively exploited
Public exploits
11
Exploited in wild
20
Severity breakdown
CRITICAL95HIGH2093MEDIUM642LOW6
Vulnerabilities
Page 18 of 142
CVE-2026-20919P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20919 [HIGH] CWE-362 CVE-2026-20919: 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.
nvd
CVE-2026-20848P3HIGHCVSS 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.
nvd
CVE-2026-20934P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20934 [HIGH] CWE-362 CVE-2026-20934: 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.
nvd
CVE-2026-69539P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-69539 [HIGH] CWE-416 CVE-2026-69539: 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-2026-69852P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-69852 [HIGH] CWE-122 CVE-2026-69852: Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
nvd
CVE-2026-69599P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-69599 [HIGH] CWE-416 CVE-2026-69599: 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-2026-58608P3HIGHCVSS 7.5≥ 10.0.26200.0, < 10.0.26200.88752026-07-14
CVE-2026-58608 [HIGH] CWE-362 CVE-2026-58608: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
nvd
CVE-2026-20872P3MEDIUMCVSS 6.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20872 [MEDIUM] CWE-73 CVE-2026-20872: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-49798P3CRITICALCVSS 9.3≥ 10.0.26200.0, < 10.0.26200.88752026-07-14
CVE-2026-49798 [CRITICAL] CWE-416 CVE-2026-49798: Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
nvd
CVE-2026-50509P3HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.88752026-07-14
CVE-2026-50509 [HIGH] CWE-502 CVE-2026-50509: Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized
Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83797P3HIGHCVSS 8.8≥ 10.0.26200.0, < 10.0.26200.97112026-10-13
CVE-2026-83797 [HIGH] CWE-125 CVE-2026-83797: Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute
Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69494P3HIGHCVSS 8.8≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-69494 [HIGH] CWE-122 CVE-2026-69494: Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69598P3HIGHCVSS 8.8≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-69598 [HIGH] CWE-131 CVE-2026-69598: Incorrect calculation of buffer size in Windows iSCSI allows an unauthorized attacker to execute cod
Incorrect calculation of buffer size in Windows iSCSI allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-58718P3HIGHCVSS 8.8≥ 10.0.26200.0, < 10.0.26200.68992025-10-14
CVE-2025-58718 [HIGH] CWE-416 CVE-2025-58718: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-20925P3MEDIUMCVSS 6.5≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20925 [MEDIUM] CWE-73 CVE-2026-20925: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-42989P3HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.86552026-06-09
CVE-2026-42989 [HIGH] CWE-59 CVE-2026-42989: Improper link resolution before file access ('link following') in Winlogon allows an authorized atta
Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58722P3HIGHCVSS 7.8≥ 10.0.26200.0, < 10.0.26200.68992025-10-14
CVE-2025-58722 [HIGH] CWE-122 CVE-2025-58722: Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locall
Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-20856P3HIGHCVSS 8.1≥ 10.0.26200.0, < 10.0.26200.76232026-01-13
CVE-2026-20856 [HIGH] CWE-20 CVE-2026-20856: Improper input validation in Windows Server Update Service allows an unauthorized attacker to execut
Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-70111P3HIGHCVSS 8.1≥ 10.0.26200.0, < 10.0.26200.97112026-10-13
CVE-2026-70111 [HIGH] CWE-822 CVE-2026-70111: Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privilege
Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privileges over a network.
nvd
CVE-2026-70342P3HIGHCVSS 8.1≥ 10.0.26200.0, < 10.0.26200.94452026-09-08
CVE-2026-70342 [HIGH] CWE-416 CVE-2026-70342: Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker to e
Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker to elevate privileges over a network.
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