Microsoft Windows 11 23H2 vulnerabilities

1,546 known vulnerabilities affecting microsoft/windows_11_23h2.

Total CVEs

1,546

CISA KEV

actively exploited

Public exploits

Exploited in wild

Severity breakdown

CRITICAL24HIGH1099MEDIUM416LOW7

Vulnerabilities

SortPage 48 of 78

CVE-2026-24285P3HIGHCVSS 7.0fixed in 10.0.22631.67832026-03-10

CVE-2026-24285 [HIGH] CWE-416 CVE-2026-24285: 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-2026-20842P3HIGHCVSS 7.0fixed in 10.0.22631.64912026-01-13

CVE-2026-20842 [HIGH] CWE-416 CVE-2026-20842: Use after free in Windows DWM allows an authorized attacker to elevate privileges locally. Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-53140P3HIGHCVSS 7.0fixed in 10.0.22631.57682025-08-12

CVE-2025-53140 [HIGH] CWE-416 CVE-2025-53140: Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges loc Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-32073P3HIGHCVSS 7.0fixed in 10.0.22631.69362026-04-14

CVE-2026-32073 [HIGH] CWE-416 CVE-2026-32073: 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-2025-60716P3HIGHCVSS 7.0fixed in 10.0.22631.61992025-11-11

CVE-2025-60716 [HIGH] CWE-416 CVE-2025-60716: 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-2026-21242P3HIGHCVSS 7.0fixed in 10.0.22631.66492026-02-10

CVE-2026-21242 [HIGH] CWE-416 CVE-2026-21242: 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-2025-59202P3HIGHCVSS 7.0≤ 10.0.22631.60602025-10-14

CVE-2025-59202 [HIGH] CWE-416 CVE-2025-59202: Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-55685P3HIGHCVSS 7.0fixed in 10.0.22631.60602025-10-14

CVE-2025-55685 [HIGH] CWE-416 CVE-2025-55685: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-55689P3HIGHCVSS 7.0fixed in 10.0.22631.60602025-10-14

CVE-2025-55689 [HIGH] CWE-416 CVE-2025-55689: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-55686P3HIGHCVSS 7.0fixed in 10.0.22631.60602025-10-14

CVE-2025-55686 [HIGH] CWE-416 CVE-2025-55686: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

nvd

CVE-2025-55331P3HIGHCVSS 7.0fixed in 10.0.22631.60602025-10-14

CVE-2025-55331 [HIGH] CWE-416 CVE-2025-55331: Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges l Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-23667P3HIGHCVSS 7.0fixed in 10.0.22631.67832026-03-10

CVE-2026-23667 [HIGH] CWE-416 CVE-2026-23667: Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally. Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-25170P3HIGHCVSS 7.0fixed in 10.0.22631.67832026-03-10

CVE-2026-25170 [HIGH] CWE-416 CVE-2026-25170: 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-2025-55678P3HIGHCVSS 7.0≤ 10.0.22631.60602025-10-14

CVE-2025-55678 [HIGH] CWE-416 CVE-2025-55678: 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-2026-32075P3HIGHCVSS 7.0fixed in 10.0.22631.69362026-04-14

CVE-2026-32075 [HIGH] CWE-416 CVE-2026-32075: 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-2026-34347P3HIGHCVSS 7.0fixed in 10.0.22631.70792026-05-12

CVE-2026-34347 [HIGH] CWE-416 CVE-2026-34347: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-42984P3HIGHCVSS 7.0fixed in 10.0.22631.72192026-06-09

CVE-2026-42984 [HIGH] CWE-416 CVE-2026-42984: 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.

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CVE-2026-56173P3HIGHCVSS 7.0fixed in 10.0.22631.73762026-07-14

CVE-2026-56173 [HIGH] CWE-416 CVE-2026-56173: Use after free in Windows WebView allows an authorized attacker to elevate privileges locally. Use after free in Windows WebView allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-58629P3HIGHCVSS 7.0fixed in 10.0.22631.73762026-07-14

CVE-2026-58629 [HIGH] CWE-416 CVE-2026-58629: 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-2025-59259P3MEDIUMCVSS 6.5≤ 10.0.22631.60602025-10-14

CVE-2025-59259 [MEDIUM] CWE-1287 CVE-2025-59259: Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an auth Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

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