Microsoft Windows 11 Version 26H1 vulnerabilities
2,567 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,567
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL96HIGH1900MEDIUM566LOW5
Vulnerabilities
Page 81 of 129
CVE-2026-70273P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70273 [HIGH] CWE-416 CVE-2026-70273: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70236P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70236 [HIGH] CWE-416 CVE-2026-70236: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70026P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70026 [HIGH] CWE-416 CVE-2026-70026: Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges loc
Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70045P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70045 [HIGH] CWE-416 CVE-2026-70045: Use after free in Windows Work Folders allows an authorized attacker to elevate privileges locally.
Use after free in Windows Work Folders allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83900P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83900 [HIGH] CWE-416 CVE-2026-83900: Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges loc
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70209P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70209 [HIGH] CWE-416 CVE-2026-70209: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70021P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70021 [HIGH] CWE-416 CVE-2026-70021: Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges loc
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83738P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83738 [HIGH] CWE-362 CVE-2026-83738: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83834P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83834 [HIGH] CWE-367 CVE-2026-83834: Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges lo
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83682P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83682 [HIGH] CWE-416 CVE-2026-83682: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83718P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83718 [HIGH] CWE-416 CVE-2026-83718: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83751P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83751 [HIGH] CWE-416 CVE-2026-83751: Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges lo
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83701P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83701 [HIGH] CWE-416 CVE-2026-83701: Use after free in Windows Now Playing Session Manager allows an authorized attacker to elevate privi
Use after free in Windows Now Playing Session Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83584P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83584 [HIGH] CWE-416 CVE-2026-83584: Use after free in Windows Smart Card allows an authorized attacker to elevate privileges locally.
Use after free in Windows Smart Card allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83707P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83707 [HIGH] CWE-416 CVE-2026-83707: Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83740P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83740 [HIGH] CWE-416 CVE-2026-83740: Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83720P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83720 [HIGH] CWE-416 CVE-2026-83720: Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83790P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83790 [HIGH] CWE-416 CVE-2026-83790: Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83702P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83702 [HIGH] CWE-416 CVE-2026-83702: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83710P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83710 [HIGH] CWE-416 CVE-2026-83710: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
nvd