Microsoft Windows 11 26H1 vulnerabilities
2,496 known vulnerabilities affecting microsoft/windows_11_26h1.
Total CVEs
2,496
CISA KEV
5
actively exploited
Public exploits
2
Exploited in wild
7
Severity breakdown
CRITICAL92HIGH1847MEDIUM553LOW4
Vulnerabilities
Page 90 of 125
CVE-2026-84020P3HIGHCVSS 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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 7.0fixed in 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
CVE-2026-70283P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-70283 [HIGH] CWE-863 CVE-2026-70283: Incorrect authorization in Windows Win32K allows an authorized attacker to elevate privileges locall
Incorrect authorization in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-81971P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-81971 [HIGH] CWE-362 CVE-2026-81971: 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-2026-42911P3HIGHCVSS 7.0fixed in 10.0.28000.22692026-06-09
CVE-2026-42911 [HIGH] CWE-416 CVE-2026-42911: 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-2026-34335P3HIGHCVSS 7.0fixed in 10.0.28000.22692026-06-09
CVE-2026-34335 [HIGH] CWE-416 CVE-2026-34335: 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-2026-69766P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69766 [HIGH] CWE-362 CVE-2026-69766: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83879P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-83879 [HIGH] CWE-362 CVE-2026-83879: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69763P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69763 [HIGH] CWE-362 CVE-2026-69763: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69935P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69935 [HIGH] CWE-362 CVE-2026-69935: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69931P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69931 [HIGH] CWE-362 CVE-2026-69931: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69856P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-69856 [HIGH] CWE-362 CVE-2026-69856: Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85941P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-85941 [HIGH] CWE-362 CVE-2026-85941: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-102207P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102207 [HIGH] CWE-362 CVE-2026-102207: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-23671P3HIGHCVSS 7.0fixed in 10.0.28000.17192026-03-10
CVE-2026-23671 [HIGH] CWE-362 CVE-2026-23671: 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 RFCOM Protocol Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-24295P3HIGHCVSS 7.0fixed in 10.0.28000.17192026-03-10
CVE-2026-24295 [HIGH] CWE-362 CVE-2026-24295: 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-2026-24296P3HIGHCVSS 7.0fixed in 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-2026-70169P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-70169 [HIGH] CWE-362 CVE-2026-70169: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
nvd