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 80 of 129
CVE-2026-32093P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-32093 [HIGH] CWE-122 CVE-2026-32093: Concurrent execution using shared resource with improper synchronization ('race condition') in Funct
Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70144P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70144 [HIGH] CWE-416 CVE-2026-70144: 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-2026-21242P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.15752026-02-10
CVE-2026-21242 [HIGH] CWE-416 CVE-2026-21242: Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges lo
Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70076P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70076 [HIGH] CWE-416 CVE-2026-70076: 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-2026-83886P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83886 [HIGH] CWE-416 CVE-2026-83886: Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privi
Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70249P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70249 [HIGH] CWE-416 CVE-2026-70249: 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-2026-70271P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70271 [HIGH] CWE-416 CVE-2026-70271: 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-2026-70253P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70253 [HIGH] CWE-416 CVE-2026-70253: 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-2026-70176P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70176 [HIGH] CWE-416 CVE-2026-70176: 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-2026-70237P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70237 [HIGH] CWE-416 CVE-2026-70237: 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-2026-70223P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70223 [HIGH] CWE-416 CVE-2026-70223: Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally
Use after free in Windows Console Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-23667P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.17192026-03-10
CVE-2026-23667 [HIGH] CWE-416 CVE-2026-23667: Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-100200P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-100200 [HIGH] CWE-416 CVE-2026-100200: Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally
Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70164P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70164 [HIGH] CWE-416 CVE-2026-70164: 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-2026-70056P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70056 [HIGH] CWE-416 CVE-2026-70056: Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally
Use after free in Windows Update Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83916P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83916 [HIGH] CWE-415 CVE-2026-83916: Double free in Windows Error Reporting allows an authorized attacker to execute code locally.
Double free in Windows Error Reporting allows an authorized attacker to execute code locally.
nvd
CVE-2026-70168P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70168 [HIGH] CWE-416 CVE-2026-70168: 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-2026-83901P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83901 [HIGH] CWE-416 CVE-2026-83901: 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-2026-70134P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70134 [HIGH] CWE-416 CVE-2026-70134: 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-2026-70067P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-10-13
CVE-2026-70067 [HIGH] CWE-416 CVE-2026-70067: 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