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 92 of 129
CVE-2026-50323P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50323 [HIGH] CWE-416 CVE-2026-50323: 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.
nvd
CVE-2026-50392P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50392 [HIGH] CWE-416 CVE-2026-50392: Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges loc
Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50449P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50449 [HIGH] CWE-416 CVE-2026-50449: 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.
nvd
CVE-2026-85802P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85802 [HIGH] CWE-416 CVE-2026-85802: 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.
nvd
CVE-2026-83749P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83749 [HIGH] CWE-416 CVE-2026-83749: Use after free in Windows Overlay Filter allows an authorized attacker to elevate privileges locally
Use after free in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83852P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83852 [HIGH] CWE-416 CVE-2026-83852: 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.
nvd
CVE-2026-85370P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85370 [HIGH] CWE-416 CVE-2026-85370: Use after free in WebDAV allows an authorized attacker to elevate privileges locally.
Use after free in WebDAV allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85854P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85854 [HIGH] CWE-416 CVE-2026-85854: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26165P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-26165 [HIGH] CWE-416 CVE-2026-26165: 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.
nvd
CVE-2026-85823P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85823 [HIGH] CWE-416 CVE-2026-85823: Use after free in Windows Composite Image File System allows an authorized attacker to elevate privi
Use after free in Windows Composite Image File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85810P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85810 [HIGH] CWE-416 CVE-2026-85810: Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges local
Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85367P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85367 [HIGH] CWE-416 CVE-2026-85367: Use after free in Windows Cash Drawer Protocol Provider allows an authorized attacker to elevate pri
Use after free in Windows Cash Drawer Protocol Provider allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85352P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85352 [HIGH] CWE-416 CVE-2026-85352: 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.
nvd
CVE-2026-85803P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85803 [HIGH] CWE-416 CVE-2026-85803: Use after free in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privi
Use after free in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85826P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85826 [HIGH] CWE-787 CVE-2026-85826: Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges l
Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85342P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85342 [HIGH] CWE-416 CVE-2026-85342: 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.
nvd
CVE-2026-84020P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-84020 [HIGH] CWE-416 CVE-2026-84020: Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to
Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-88161P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88161 [HIGH] CWE-416 CVE-2026-88161: Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate pr
Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85918P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85918 [HIGH] CWE-416 CVE-2026-85918: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-40410P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-40410 [HIGH] CWE-416 CVE-2026-40410: Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
nvd