cbcvebase.

Microsoft Windows 11 26H1 vulnerabilities

2,496 known vulnerabilities affecting microsoft/windows_11_26h1.

Total CVEs
2,496
CISA KEV
5
actively exploited
Public exploits
2
Exploited in wild
7
Severity breakdown
CRITICAL92HIGH1847MEDIUM553LOW4

Vulnerabilities

Page 82 of 125
CVE-2026-56173P3HIGHCVSS 7.0fixed in 10.0.28000.2269fixed in 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 7.0fixed in 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.
nvd
CVE-2026-50397P3HIGHCVSS 7.0fixed in 10.0.28000.2269fixed in 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.
nvd
CVE-2026-58629P3HIGHCVSS 7.0fixed in 10.0.28000.22692026-07-14
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 7.0fixed in 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-2026-83752P3HIGHCVSS 7.0fixed in 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-2026-88139P3HIGHCVSS 7.0fixed in 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-2026-96322P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96322 [HIGH] CWE-416 CVE-2026-96322: Use after free in Windows Remote Desktop Protocol allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.
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CVE-2026-87704P3HIGHCVSS 7.0fixed in 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-2026-87715P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-87715 [HIGH] CWE-416 CVE-2026-87715: 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 7.0fixed in 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.
nvd
CVE-2026-42984P3HIGHCVSS 7.0fixed in 10.0.28000.22692026-06-09
CVE-2026-42984 [HIGH] CWE-416 CVE-2026-42984: 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-2026-97793P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-97793 [HIGH] CWE-306 CVE-2026-97793: Missing authentication for critical function in Windows Setup and Deployment allows an authorized at Missing authentication for critical function in Windows Setup and Deployment allows an authorized attacker to elevate privileges locally.
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CVE-2026-85372P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-85372 [HIGH] CWE-416 CVE-2026-85372: 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-2026-85364P3HIGHCVSS 7.0fixed in 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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CVE-2026-88141P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-88141 [HIGH] CWE-416 CVE-2026-88141: 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-2026-85361P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-85361 [HIGH] CWE-416 CVE-2026-85361: 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-2026-87708P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-87708 [HIGH] CWE-416 CVE-2026-87708: 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-2026-88124P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-88124 [HIGH] CWE-416 CVE-2026-88124: 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-2026-96302P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96302 [HIGH] CWE-416 CVE-2026-96302: 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 26H1 vulnerabilities | cvebase