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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 81 of 125
CVE-2026-69816P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69816 [HIGH] CWE-416 CVE-2026-69816: Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges local Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges locally.
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CVE-2026-69834P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69834 [HIGH] CWE-416 CVE-2026-69834: 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-2026-62694P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-62694 [HIGH] CWE-416 CVE-2026-62694: 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-2026-69818P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69818 [HIGH] CWE-416 CVE-2026-69818: 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-2026-70577P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-70577 [HIGH] CWE-416 CVE-2026-70577: 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-2026-69605P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69605 [HIGH] CWE-416 CVE-2026-69605: Use after free in Microsoft Install Service allows an authorized attacker to elevate privileges loca Use after free in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-71351P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-71351 [HIGH] CWE-415 CVE-2026-71351: Double free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to ele Double free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
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CVE-2026-69606P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69606 [HIGH] CWE-416 CVE-2026-69606: Use after free in Windows Shell allows an authorized attacker to elevate privileges locally. Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.
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CVE-2026-65678P3HIGHCVSS 7.0fixed in 10.0.28000.27042026-08-11
CVE-2026-65678 [HIGH] CWE-416 CVE-2026-65678: 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-2026-61366P3HIGHCVSS 7.0fixed in 10.0.28000.27042026-08-11
CVE-2026-61366 [HIGH] CWE-415 CVE-2026-61366: Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
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CVE-2026-62749P3HIGHCVSS 7.0fixed in 10.0.28000.27042026-08-11
CVE-2026-62749 [HIGH] CWE-416 CVE-2026-62749: 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-2026-62788P3HIGHCVSS 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 10.0.28000.2269fixed in 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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Microsoft Windows 11 26H1 vulnerabilities | cvebase