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
CRITICAL95HIGH1900MEDIUM567LOW5
Vulnerabilities
Page 50 of 129
CVE-2026-96946P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96946 [HIGH] CWE-416 CVE-2026-96946: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
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CVE-2026-96912P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96912 [HIGH] CWE-416 CVE-2026-96912: Use after free in Windows Client License Service allows an authorized attacker to elevate privileges
Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-97806P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-97806 [HIGH] CWE-416 CVE-2026-97806: 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-2026-96947P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96947 [HIGH] CWE-416 CVE-2026-96947: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-96950P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96950 [HIGH] CWE-416 CVE-2026-96950: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
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CVE-2026-83857P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83857 [HIGH] CWE-121 CVE-2026-83857: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
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CVE-2026-96249P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96249 [HIGH] CWE-416 CVE-2026-96249: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-85911P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85911 [HIGH] CWE-416 CVE-2026-85911: Use after free in Windows StateRepository API allows an authorized attacker to elevate privileges lo
Use after free in Windows StateRepository API allows an authorized attacker to elevate privileges locally.
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CVE-2026-50312P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50312 [HIGH] CWE-416 CVE-2026-50312: 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-2026-83659P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83659 [HIGH] CWE-59 CVE-2026-83659: Improper link resolution before file access ('link following') in Windows User Profile Service allow
Improper link resolution before file access ('link following') in Windows User Profile Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-85804P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85804 [HIGH] CWE-416 CVE-2026-85804: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
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CVE-2026-96243P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96243 [HIGH] CWE-59 CVE-2026-96243: Improper link resolution before file access ('link following') in Windows WalletService allows an au
Improper link resolution before file access ('link following') in Windows WalletService allows an authorized attacker to elevate privileges locally.
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CVE-2026-69407P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69407 [HIGH] CWE-190 CVE-2026-69407: Integer overflow or wraparound in Volume Manager Driver allows an authorized attacker to elevate pri
Integer overflow or wraparound in Volume Manager Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-69324P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69324 [HIGH] CWE-125 CVE-2026-69324: Access of resource using incompatible type ('type confusion') in Windows Performance Monitor allows
Access of resource using incompatible type ('type confusion') in Windows Performance Monitor allows an authorized attacker to elevate privileges locally.
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CVE-2026-70584P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-70584 [HIGH] CWE-843 CVE-2026-70584: Access of resource using incompatible type ('type confusion') in Windows Core Messaging allows an au
Access of resource using incompatible type ('type confusion') in Windows Core Messaging allows an authorized attacker to elevate privileges locally.
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CVE-2026-56177P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-56177 [HIGH] CWE-416 CVE-2026-56177: Use after free in Windows Server allows an authorized attacker to elevate privileges locally.
Use after free in Windows Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-61934P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61934 [HIGH] CWE-416 CVE-2026-61934: Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges loc
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-62698P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62698 [HIGH] CWE-197 CVE-2026-62698: Numeric truncation error in Microsoft Digest Authentication allows an authorized attacker to elevate
Numeric truncation error in Microsoft Digest Authentication allows an authorized attacker to elevate privileges locally.
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CVE-2026-58602P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-58602 [HIGH] CWE-416 CVE-2026-58602: Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges loc
Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-50337P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50337 [HIGH] CWE-704 CVE-2026-50337: Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate p
Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally.
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