Microsoft Windows 11 Version 26H1 vulnerabilities
741 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
741
CISA KEV
6
actively exploited
Public exploits
6
Exploited in wild
9
Severity breakdown
CRITICAL23HIGH567MEDIUM146LOW5
Vulnerabilities
Page 27 of 38
CVE-2026-24296P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.17192026-03-10
CVE-2026-24296 [HIGH] CWE-362 CVE-2026-24296: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Association Service 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-2026-49162P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49162 [HIGH] CWE-416 CVE-2026-49162: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privilege
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50378P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50378 [HIGH] CWE-362 CVE-2026-50378: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Key Guard allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50296P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50296 [HIGH] CWE-416 CVE-2026-50296: Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Graphics Kernel 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-2026-50410P3HIGHCVSS 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.
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-2026-50449P3HIGHCVSS 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-2026-50322P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50322 [HIGH] CWE-362 CVE-2026-50322: 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-2026-50503P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50503 [HIGH] CWE-362 CVE-2026-50503: 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-2026-50345P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50345 [HIGH] CWE-362 CVE-2026-50345: 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-2026-50371P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50371 [HIGH] CWE-362 CVE-2026-50371: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows LUAFV allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-45601P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45601 [HIGH] CWE-362 CVE-2026-45601: 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.
nvd
CVE-2026-45596P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45596 [HIGH] CWE-362 CVE-2026-45596: 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-2026-45598P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45598 [HIGH] CWE-362 CVE-2026-45598: 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.
nvd
CVE-2026-45603P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45603 [HIGH] CWE-362 CVE-2026-45603: 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.
nvd