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Microsoft Windows 11 Version 23H2 vulnerabilities

3,415 known vulnerabilities affecting microsoft/windows_11_version_23h2.

Total CVEs
3,415
CISA KEV
63
actively exploited
Public exploits
44
Exploited in wild
77
Severity breakdown
CRITICAL100HIGH2449MEDIUM858LOW8

Vulnerabilities

Page 54 of 171
CVE-2026-83922P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-83922 [HIGH] CWE-416 CVE-2026-83922: Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges loc Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
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CVE-2026-85906P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-85906 [HIGH] CWE-416 CVE-2026-85906: Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges loc Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
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CVE-2026-83912P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-83912 [HIGH] CWE-416 CVE-2026-83912: Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges loc Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
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CVE-2026-71345P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-71345 [HIGH] CWE-787 CVE-2026-71345: Out-of-bounds write in Windows Spaceport.sys allows an authorized attacker to execute code locally. Out-of-bounds write in Windows Spaceport.sys allows an authorized attacker to execute code locally.
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CVE-2026-62697P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-62697 [HIGH] CWE-416 CVE-2026-62697: 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-2026-56172P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-56172 [HIGH] CWE-416 CVE-2026-56172: Use after free in Windows VHD miniport driver allows an authorized attacker to elevate privileges lo Use after free in Windows VHD miniport driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-69270P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-69270 [HIGH] CWE-20 CVE-2026-69270: Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized att Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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CVE-2026-69307P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-69307 [HIGH] CWE-122 CVE-2026-69307: Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized att Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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CVE-2026-69571P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75822026-09-08
CVE-2026-69571 [HIGH] CWE-122 CVE-2026-69571: Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized att Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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CVE-2026-65775P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75172026-08-11
CVE-2026-65775 [HIGH] CWE-416 CVE-2026-65775: 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-2026-62707P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75172026-08-11
CVE-2026-62707 [HIGH] CWE-416 CVE-2026-62707: 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-2026-62711P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75172026-08-11
CVE-2026-62711 [HIGH] CWE-416 CVE-2026-62711: 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-2026-85851P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-85851 [HIGH] CWE-416 CVE-2026-85851: Use after free in Windows SmartScreen allows an authorized attacker to elevate privileges locally. Use after free in Windows SmartScreen allows an authorized attacker to elevate privileges locally.
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CVE-2026-40399P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-40399 [HIGH] CWE-121 CVE-2026-40399: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-34343P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-34343 [HIGH] CWE-122 CVE-2026-34343: Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized at Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-85833P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-85833 [HIGH] CWE-416 CVE-2026-85833: 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-2026-96308P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-96308 [HIGH] CWE-416 CVE-2026-96308: 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-2026-45641P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.72192026-06-09
CVE-2026-45641 [HIGH] CWE-843 CVE-2026-45641: Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthori Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.
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CVE-2026-87700P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-87700 [HIGH] CWE-416 CVE-2026-87700: 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-2026-34333P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-34333 [HIGH] CWE-190 CVE-2026-34333: 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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Microsoft Windows 11 Version 23H2 vulnerabilities | cvebase