cbcvebase.

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 83 of 129
CVE-2026-69654P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69654 [HIGH] CWE-416 CVE-2026-69654: 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-2026-69498P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69498 [HIGH] CWE-416 CVE-2026-69498: 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-2026-69300P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69300 [HIGH] CWE-416 CVE-2026-69300: 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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CVE-2026-71353P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-71353 [HIGH] CWE-415 CVE-2026-71353: 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-2026-69652P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69652 [HIGH] CWE-416 CVE-2026-69652: 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-2026-69648P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69648 [HIGH] CWE-416 CVE-2026-69648: Use after free in Windows Notification allows an authorized attacker to elevate privileges locally. Use after free in Windows Notification allows an authorized attacker to elevate privileges locally.
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CVE-2026-73022P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-73022 [HIGH] CWE-416 CVE-2026-73022: 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-2026-69275P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69275 [HIGH] CWE-416 CVE-2026-69275: Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-69567P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69567 [HIGH] CWE-416 CVE-2026-69567: Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally. Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
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CVE-2026-69816P3HIGHCVSS 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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 7.0≥ 10.0.28000.0, < 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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Microsoft Windows 11 Version 26H1 vulnerabilities | cvebase