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Known vulnerabilities in Microsoft Windows 11 version 26H1

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CVE Summary Score Published
CVE-2026-32088 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Biometric Service… 6.1 Medium Apr 14, 2026
CVE-2026-32091 Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering… 8.4 High Apr 14, 2026
CVE-2026-32086 Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery… 7.0 High Apr 14, 2026
CVE-2026-32084 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Medium Apr 14, 2026
CVE-2026-32079 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to… 5.5 Medium Apr 14, 2026
CVE-2026-32077 Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to… 7.8 High Apr 14, 2026
CVE-2026-32078 Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-32076 Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-32074 Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-32072 Improper authentication in Windows Active Directory allows an unauthorized attacker to perform spoofing locally 6.2 Medium Apr 14, 2026
CVE-2026-32069 Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-32070 Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally 7.0 High Apr 14, 2026
CVE-2026-32068 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SSDP Service… 7.0 High Apr 14, 2026
CVE-2026-27930 Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally 5.5 Medium Apr 14, 2026
CVE-2026-27925 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose… 6.5 Medium Apr 14, 2026
CVE-2026-27923 Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-27922 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Apr 14, 2026
CVE-2026-27920 Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to… 7.8 High Apr 14, 2026
CVE-2026-27914 Improper access control in Microsoft Management Console allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-27916 Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges… 7.8 High Apr 14, 2026
CVE-2026-27911 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface… 7.8 High Apr 14, 2026
CVE-2026-27909 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-27910 Improper handling of insufficient permissions or privileges in Windows Installer allows an authorized attacker to… 7.8 High Apr 14, 2026
CVE-2026-26184 Buffer over-read in Windows Projected File System allows an authorized attacker to elevate privileges locally 7.8 High Apr 14, 2026
CVE-2026-26182 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges… 7.0 High Apr 14, 2026

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