Microsoft Windows 11 26H1 vulnerabilities

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.

CVE-2026-44804 [HIGH] CWE-416 CVE-2026-44804: 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.

CVE-2026-44809 [HIGH] CWE-416 CVE-2026-44809: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-44813 [HIGH] CWE-416 CVE-2026-44813: 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.

CVE-2026-44807 [HIGH] CWE-416 CVE-2026-44807: 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.

CVE-2026-32078 [HIGH] CWE-416 CVE-2026-32078: Use after free in Windows Projected File System allows an authorized attacker to elevate privileges Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2026-32074 [HIGH] CWE-415 CVE-2026-32074: Double free in Windows Projected File System allows an authorized attacker to elevate privileges loc Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2026-32069 [HIGH] CWE-415 CVE-2026-32069: Double free in Windows Projected File System allows an authorized attacker to elevate privileges loc Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2026-50361 [HIGH] CWE-362 CVE-2026-50361: Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges l Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

CVE-2026-50677 [HIGH] CWE-362 CVE-2026-50677: 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.

CVE-2026-50427 [HIGH] CWE-362 CVE-2026-50427: Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges local Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges locally.

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.

CVE-2026-85353 [HIGH] CWE-125 CVE-2026-85353: Out-of-bounds read in Windows Print Spooler Components allows an unauthorized attacker to disclose i Out-of-bounds read in Windows Print Spooler Components allows an unauthorized attacker to disclose information over a network.

CVE-2026-32160 [HIGH] CWE-362 CVE-2026-32160: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-42978 [HIGH] CWE-362 CVE-2026-42978: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-32089 [HIGH] CWE-362 CVE-2026-32089: Use after free in Windows Speech Brokered Api allows an authorized attacker to elevate privileges lo Use after free in Windows Speech Brokered Api allows an authorized attacker to elevate privileges locally.

CVE-2026-87691 [HIGH] CWE-416 CVE-2026-87691: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

CVE-2026-87712 [HIGH] CWE-416 CVE-2026-87712: Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an authorized attacker to Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an authorized attacker to elevate privileges locally.

CVE-2026-27916 [HIGH] CWE-416 CVE-2026-27916: 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.

CVE-2026-27923 [HIGH] CWE-416 CVE-2026-27923: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.