Microsoft Windows 11 25H2 vulnerabilities

2,372 known vulnerabilities affecting microsoft/windows_11_25h2.

Total CVEs

2,372

CISA KEV

actively exploited

Public exploits

Exploited in wild

Severity breakdown

CRITICAL80HIGH1757MEDIUM529LOW6

Vulnerabilities

SortPage 40 of 119

CVE-2026-50436P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50436 [HIGH] CWE-416 CVE-2026-50436: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-54114P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-54114 [HIGH] CWE-416 CVE-2026-54114: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50478P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50478 [HIGH] CWE-416 CVE-2026-50478: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50326P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50326 [HIGH] CWE-416 CVE-2026-50326: Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50329P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50329 [HIGH] CWE-416 CVE-2026-50329: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-58632P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-58632 [HIGH] CWE-416 CVE-2026-58632: Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50687P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50687 [HIGH] CWE-416 CVE-2026-50687: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50306P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50306 [HIGH] CWE-190 CVE-2026-50306: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-56643P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-56643 [HIGH] CWE-416 CVE-2026-56643: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50353P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50353 [HIGH] CWE-416 CVE-2026-50353: Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally. Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-56644P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-56644 [HIGH] CWE-416 CVE-2026-56644: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-40399P3HIGHCVSS 7.8fixed in 10.0.26200.83902026-05-12

CVE-2026-40399 [HIGH] CWE-121 CVE-2026-40399: 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-2026-34343P3HIGHCVSS 7.8fixed in 10.0.26200.83902026-05-12

CVE-2026-34343 [HIGH] CWE-122 CVE-2026-34343: Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized at Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-58635P3HIGHCVSS 7.8fixed in 10.0.26100.88752026-07-14

CVE-2026-58635 [HIGH] CWE-77 CVE-2026-58635: Improper neutralization of special elements used in a command ('command injection') in Windows Narra Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-85836P3HIGHCVSS 7.8fixed in 10.0.26200.97112026-10-13

CVE-2026-85836 [HIGH] CWE-416 CVE-2026-85836: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-96308P3HIGHCVSS 7.8fixed in 10.0.26200.97112026-10-13

CVE-2026-96308 [HIGH] CWE-416 CVE-2026-96308: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-84013P3HIGHCVSS 7.8fixed in 10.0.26200.97112026-10-13

CVE-2026-84013 [HIGH] CWE-416 CVE-2026-84013: 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-2026-96309P3HIGHCVSS 7.8fixed in 10.0.26200.97112026-10-13

CVE-2026-96309 [HIGH] CWE-416 CVE-2026-96309: Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges lo Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-96223P3HIGHCVSS 7.8fixed in 10.0.26200.97112026-10-13

CVE-2026-96223 [HIGH] CWE-416 CVE-2026-96223: Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally. Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-45641P3HIGHCVSS 7.8fixed in 10.0.26200.86552026-06-09

CVE-2026-45641 [HIGH] CWE-843 CVE-2026-45641: Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthori Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.

nvd

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