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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 91 of 129
CVE-2026-69310P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69310 [HIGH] CWE-416 CVE-2026-69310: Use after free in Windows DNS allows an authorized attacker to elevate privileges locally. Use after free in Windows DNS allows an authorized attacker to elevate privileges locally.
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CVE-2026-69711P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69711 [HIGH] CWE-416 CVE-2026-69711: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69889P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69889 [HIGH] CWE-416 CVE-2026-69889: Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges loca Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-69299P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69299 [HIGH] CWE-416 CVE-2026-69299: Use after free in Microsoft COM for Windows allows an authorized attacker to elevate privileges loca Use after free in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally.
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CVE-2026-69470P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69470 [HIGH] CWE-416 CVE-2026-69470: 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-2026-69422P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69422 [HIGH] CWE-416 CVE-2026-69422: Use after free in Windows USB Video Driver allows an authorized attacker to elevate privileges local Use after free in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-78457P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-78457 [HIGH] CWE-416 CVE-2026-78457: Use after free in Windows Security App allows an authorized attacker to elevate privileges locally. Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
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CVE-2026-70307P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-70307 [HIGH] CWE-416 CVE-2026-70307: 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-2026-62774P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62774 [HIGH] CWE-416 CVE-2026-62774: 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-2026-61346P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61346 [HIGH] CWE-416 CVE-2026-61346: 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-2026-61348P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61348 [HIGH] CWE-416 CVE-2026-61348: 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-2026-61939P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61939 [HIGH] CWE-416 CVE-2026-61939: Use after free in Winlogon allows an authorized attacker to elevate privileges locally. Use after free in Winlogon allows an authorized attacker to elevate privileges locally.
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CVE-2026-65788P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-65788 [HIGH] CWE-416 CVE-2026-65788: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-59125P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-59125 [HIGH] CWE-416 CVE-2026-59125: Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate p Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-58637P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-58637 [HIGH] CWE-416 CVE-2026-58637: Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-58544P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-58544 [HIGH] CWE-416 CVE-2026-58544: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
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CVE-2026-56183P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-56183 [HIGH] CWE-416 CVE-2026-56183: Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges lo Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
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CVE-2026-50372P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50372 [HIGH] CWE-122 CVE-2026-50372: Buffer over-read in Windows Redirected Drive Buffering allows an authorized attacker to elevate priv Buffer over-read in Windows Redirected Drive Buffering allows an authorized attacker to elevate privileges locally.
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CVE-2026-48571P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-48571 [HIGH] CWE-416 CVE-2026-48571: Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows App Installer allows an authorized attacker to elevate privileges locally.
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CVE-2026-50410P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50410 [HIGH] CWE-416 CVE-2026-50410: Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally. Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 11 Version 26H1 vulnerabilities | cvebase