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 94 of 129
CVE-2026-50667P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50667 [HIGH] CWE-362 CVE-2026-50667: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-58527P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-58527 [HIGH] CWE-362 CVE-2026-58527: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50317P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50317 [HIGH] CWE-362 CVE-2026-50317: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Operating Systems allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50676P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50676 [HIGH] CWE-362 CVE-2026-50676: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34340P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-34340 [HIGH] CWE-416 CVE-2026-34340: Use after free in Windows Projected File System allows an authorized attacker to elevate privileges
Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-33104P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-33104 [HIGH] CWE-362 CVE-2026-33104: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-34351P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-34351 [HIGH] CWE-362 CVE-2026-34351: 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.
nvd
CVE-2026-32090P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-32090 [HIGH] CWE-362 CVE-2026-32090: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Speech Brokered Api allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85333P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85333 [HIGH] CWE-362 CVE-2026-85333: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Performance Monitor allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26177P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-26177 [HIGH] CWE-416 CVE-2026-26177: 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.
nvd
CVE-2026-27922P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-27922 [HIGH] CWE-416 CVE-2026-27922: 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.
nvd
CVE-2026-26182P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-26182 [HIGH] CWE-416 CVE-2026-26182: 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.
nvd
CVE-2026-68840P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-68840 [HIGH] CWE-362 CVE-2026-68840: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69581P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69581 [HIGH] CWE-362 CVE-2026-69581: 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-2026-69448P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69448 [HIGH] CWE-362 CVE-2026-69448: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69385P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69385 [HIGH] CWE-362 CVE-2026-69385: 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.
nvd
CVE-2026-69682P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69682 [HIGH] CWE-362 CVE-2026-69682: Use after free in Windows Host Guardian Service allows an authorized attacker to elevate privileges
Use after free in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69404P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69404 [HIGH] CWE-362 CVE-2026-69404: 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.
nvd
CVE-2026-69398P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69398 [HIGH] CWE-362 CVE-2026-69398: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50349P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-50349 [HIGH] CWE-362 CVE-2026-50349: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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