Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-69528 [HIGH] CWE-306 CVE-2026-69528: Missing authentication for critical function in Windows Shell allows an authorized attacker to eleva Missing authentication for critical function in Windows Shell allows an authorized attacker to elevate privileges locally.

CVE-2026-61365 [HIGH] CWE-306 CVE-2026-61365: Missing authentication for critical function in Windows Remote Desktop Services allows an authorized Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-61356 [HIGH] CWE-306 CVE-2026-61356: Missing authentication for critical function in Windows Remote Desktop Services allows an authorized Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-61364 [HIGH] CWE-306 CVE-2026-61364: Missing authentication for critical function in Windows Remote Desktop Services allows an authorized Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-42976 [HIGH] CWE-306 CVE-2026-42976: Missing authentication for critical function in Windows RPC API allows an authorized attacker to ele Missing authentication for critical function in Windows RPC API allows an authorized attacker to elevate privileges locally.

CVE-2026-61367 [HIGH] CWE-306 CVE-2026-61367: Missing authentication for critical function in Windows Remote Desktop Services allows an authorized Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-62777 [HIGH] CWE-306 CVE-2026-62777: Missing authentication for critical function in Windows License Manager allows an authorized attacke Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-45638 [HIGH] CWE-122 CVE-2026-45638: Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized att Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-40406 [HIGH] CWE-416 CVE-2026-40406: Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a netw Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.

CVE-2026-48563 [HIGH] CWE-416 CVE-2026-48563: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-56648 [HIGH] CWE-367 CVE-2026-56648: Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorize Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-42913 [HIGH] CWE-362 CVE-2026-42913: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42909 [HIGH] CWE-362 CVE-2026-42909: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2025-55692 [HIGH] CWE-20 CVE-2025-55692: Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privil Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2025-59512 [HIGH] CWE-284 CVE-2025-59512: Improper access control in Customer Experience Improvement Program (CEIP) allows an authorized attac Improper access control in Customer Experience Improvement Program (CEIP) allows an authorized attacker to elevate privileges locally.

CVE-2026-50342 [HIGH] CWE-284 CVE-2026-50342: Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate priv Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

CVE-2025-59517 [HIGH] CWE-284 CVE-2025-59517: Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privi Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-96186 [HIGH] CWE-502 CVE-2026-96186: Deserialization of untrusted data in Microsoft Windows Media Foundation allows an authorized attacke Deserialization of untrusted data in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.

CVE-2025-54100 [HIGH] CWE-77 CVE-2025-54100: Improper neutralization of special elements used in a command ('command injection') in Windows Power Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.

CVE-2026-54128 [HIGH] CWE-416 CVE-2026-54128: Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally. Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.