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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
CRITICAL96HIGH1900MEDIUM566LOW5

Vulnerabilities

Page 82 of 129
CVE-2026-88127P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88127 [HIGH] CWE-416 CVE-2026-88127: Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally. Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-70272P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70272 [HIGH] CWE-416 CVE-2026-70272: 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-2026-25170P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.17192026-03-10
CVE-2026-25170 [HIGH] CWE-416 CVE-2026-25170: Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally. Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
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CVE-2026-83917P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83917 [HIGH] CWE-416 CVE-2026-83917: Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally. Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
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CVE-2026-83853P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83853 [HIGH] CWE-416 CVE-2026-83853: 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.
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CVE-2026-96852P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96852 [HIGH] CWE-416 CVE-2026-96852: 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.
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CVE-2026-83866P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83866 [HIGH] CWE-416 CVE-2026-83866: 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-2026-108468P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-108468 [HIGH] CWE-416 CVE-2026-108468: 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-2026-69964P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-69964 [HIGH] CWE-416 CVE-2026-69964: Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges lo Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-21237P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.15752026-02-10
CVE-2026-21237 [HIGH] CWE-362 CVE-2026-21237: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
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CVE-2026-83930P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83930 [HIGH] CWE-416 CVE-2026-83930: 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.
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CVE-2026-69287P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69287 [HIGH] CWE-416 CVE-2026-69287: Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
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CVE-2026-69335P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69335 [HIGH] CWE-416 CVE-2026-69335: 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-2026-69814P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69814 [HIGH] CWE-416 CVE-2026-69814: Use after free in Windows Credential Providers allows an authorized attacker to elevate privileges l Use after free in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
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CVE-2026-72930P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-72930 [HIGH] CWE-416 CVE-2026-72930: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to e Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to execute code locally.
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CVE-2026-69517P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69517 [HIGH] CWE-416 CVE-2026-69517: Use after free in Windows Wireless Networking allows an authorized attacker to elevate privileges lo Use after free in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
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CVE-2026-69333P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69333 [HIGH] CWE-416 CVE-2026-69333: 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-2026-69472P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69472 [HIGH] CWE-416 CVE-2026-69472: Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privilege Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.
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CVE-2026-73003P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-73003 [HIGH] CWE-416 CVE-2026-73003: Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate pr Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
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CVE-2026-69280P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69280 [HIGH] CWE-416 CVE-2026-69280: Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges loc Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 11 Version 26H1 vulnerabilities | cvebase