Microsoft Windows 11 25H2 vulnerabilities

995 known vulnerabilities affecting microsoft/windows_11_25h2.

Total CVEs

995

CISA KEV

actively exploited

Public exploits

Exploited in wild

Severity breakdown

CRITICAL25HIGH744MEDIUM220LOW6

Vulnerabilities

SortPage 18 of 50

CVE-2026-45593P3HIGHCVSS 7.8fixed in 10.0.26200.86552026-06-09

CVE-2026-45593 [HIGH] CWE-190 CVE-2026-45593: Use after free in Windows SDK allows an authorized attacker to elevate privileges locally. Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-42983P3HIGHCVSS 7.8fixed in 10.0.26200.86552026-06-09

CVE-2026-42983 [HIGH] CWE-416 CVE-2026-42983: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50344P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50344 [HIGH] CWE-285 CVE-2026-50344: Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally. Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-58540P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-58540 [HIGH] CWE-285 CVE-2026-58540: Improper authorization in Windows Installer allows an authorized attacker to elevate privileges loca Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-44802P3HIGHCVSS 7.8fixed in 10.0.26200.86552026-06-09

CVE-2026-44802 [HIGH] CWE-416 CVE-2026-44802: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50358P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50358 [HIGH] CWE-416 CVE-2026-50358: Use after free in Windows Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Media allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50490P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50490 [HIGH] CWE-416 CVE-2026-50490: 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-2026-56187P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-56187 [HIGH] CWE-416 CVE-2026-56187: Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges lo Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-49167P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-49167 [HIGH] CWE-416 CVE-2026-49167: 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-2026-50413P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50413 [HIGH] CWE-416 CVE-2026-50413: 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-2026-50486P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50486 [HIGH] CWE-416 CVE-2026-50486: 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-2026-50306P3HIGHCVSS 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-2026-49166P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-49166 [HIGH] CWE-416 CVE-2026-49166: Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges loca Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-50689P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50689 [HIGH] CWE-362 CVE-2026-50689: Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges local Use after free in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.

nvd

CVE-2026-26181P3HIGHCVSS 7.8fixed in 10.0.26200.82462026-04-14

CVE-2026-26181 [HIGH] CWE-362 CVE-2026-26181: 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-2026-54129P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-54129 [HIGH] CWE-416 CVE-2026-54129: 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-2026-50307P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50307 [HIGH] CWE-416 CVE-2026-50307: 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-2026-50458P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50458 [HIGH] CWE-362 CVE-2026-50458: 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-2026-50305P3HIGHCVSS 7.8fixed in 10.0.26200.88752026-07-14

CVE-2026-50305 [HIGH] CWE-362 CVE-2026-50305: 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-2026-44806P3HIGHCVSS 7.5fixed in 10.0.26200.88752026-07-14

CVE-2026-44806 [HIGH] CWE-401 CVE-2026-44806: Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unaut Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.

nvd

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