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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
CRITICAL97HIGH1901MEDIUM564LOW5

Vulnerabilities

Page 84 of 129
CVE-2026-62788P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62788 [HIGH] CWE-416 CVE-2026-62788: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-65776P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-65776 [HIGH] CWE-416 CVE-2026-65776: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
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CVE-2026-61938P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61938 [HIGH] CWE-416 CVE-2026-61938: 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.
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CVE-2026-62773P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62773 [HIGH] CWE-416 CVE-2026-62773: 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.
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CVE-2026-62892P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62892 [HIGH] CWE-416 CVE-2026-62892: Use after free in Capability Access Management Service (camsvc) allows an authorized attacker to ele Use after free in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
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CVE-2026-65779P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-65779 [HIGH] CWE-416 CVE-2026-65779: Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally. Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
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CVE-2026-61361P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61361 [HIGH] CWE-416 CVE-2026-61361: Use after free in Windows DHCP Client allows an authorized attacker to execute code locally. Use after free in Windows DHCP Client allows an authorized attacker to execute code locally.
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CVE-2026-61929P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61929 [HIGH] CWE-416 CVE-2026-61929: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-49162P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49162 [HIGH] CWE-416 CVE-2026-49162: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privilege Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
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CVE-2026-56173P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-56173 [HIGH] CWE-416 CVE-2026-56173: Use after free in Windows WebView allows an authorized attacker to elevate privileges locally. Use after free in Windows WebView allows an authorized attacker to elevate privileges locally.
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CVE-2026-50296P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50296 [HIGH] CWE-416 CVE-2026-50296: Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally. Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-50397P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50397 [HIGH] CWE-416 CVE-2026-50397: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-58629P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-58629 [HIGH] CWE-416 CVE-2026-58629: Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally. Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
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CVE-2026-34347P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-34347 [HIGH] CWE-416 CVE-2026-34347: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
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CVE-2026-88139P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88139 [HIGH] CWE-416 CVE-2026-88139: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-83752P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83752 [HIGH] CWE-416 CVE-2026-83752: 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.
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CVE-2026-87704P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-87704 [HIGH] CWE-416 CVE-2026-87704: 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.
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CVE-2026-87693P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-87693 [HIGH] CWE-416 CVE-2026-87693: 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.
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CVE-2026-85370P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85370 [HIGH] CWE-416 CVE-2026-85370: Use after free in WebDAV allows an authorized attacker to elevate privileges locally. Use after free in WebDAV allows an authorized attacker to elevate privileges locally.
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CVE-2026-85364P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85364 [HIGH] CWE-416 CVE-2026-85364: 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.
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Microsoft Windows 11 Version 26H1 vulnerabilities | cvebase