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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 85 of 125
CVE-2026-69977P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69977 [HIGH] CWE-416 CVE-2026-69977: Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attack Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69743P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69743 [HIGH] CWE-416 CVE-2026-69743: Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to e Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69795P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69795 [HIGH] CWE-476 CVE-2026-69795: Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privil Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-83842P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83842 [HIGH] CWE-415 CVE-2026-83842: Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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CVE-2026-34342P3HIGHCVSS 7.0fixed in 10.0.28000.21132026-05-12
CVE-2026-34342 [HIGH] CWE-362 CVE-2026-34342: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
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CVE-2026-102193P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102193 [HIGH] CWE-416 CVE-2026-102193: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-102195P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102195 [HIGH] CWE-416 CVE-2026-102195: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-102197P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102197 [HIGH] CWE-416 CVE-2026-102197: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-102194P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102194 [HIGH] CWE-416 CVE-2026-102194: Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locall Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-83644P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83644 [HIGH] CWE-416 CVE-2026-83644: Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally. Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-83687P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83687 [HIGH] CWE-416 CVE-2026-83687: Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
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CVE-2026-83694P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83694 [HIGH] CWE-125 CVE-2026-83694: Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to eleva Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-25178P3HIGHCVSS 7.0fixed in 10.0.28000.17192026-03-10
CVE-2026-25178 [HIGH] CWE-416 CVE-2026-25178: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-69379P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69379 [HIGH] CWE-59 CVE-2026-69379: Improper link resolution before file access ('link following') in Windows NTFS allows an authorized Improper link resolution before file access ('link following') in Windows NTFS allows an authorized attacker to elevate privileges locally.
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CVE-2026-83999P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-83999 [HIGH] CWE-59 CVE-2026-83999: Improper link resolution before file access ('link following') in Windows Resilient File System (ReF Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-103565P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-103565 [HIGH] CWE-416 CVE-2026-103565: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-96923P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96923 [HIGH] CWE-416 CVE-2026-96923: Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges lo Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-96301P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96301 [HIGH] CWE-416 CVE-2026-96301: Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-96254P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96254 [HIGH] CWE-416 CVE-2026-96254: Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-96310P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-96310 [HIGH] CWE-416 CVE-2026-96310: Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 11 26H1 vulnerabilities | cvebase