Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-85821 [MEDIUM] CWE-125 CVE-2026-85821: Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized a Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.

CVE-2026-50432 [MEDIUM] CWE-416 CVE-2026-50432: Use after free in Windows Virtual Filtering Platform (VFP) allows an authorized attacker to deny ser Use after free in Windows Virtual Filtering Platform (VFP) allows an authorized attacker to deny service over a network.

CVE-2026-65794 [MEDIUM] CWE-126 CVE-2026-65794: Buffer over-read in Windows SMB Client allows an unauthorized attacker to disclose information over Buffer over-read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.

CVE-2026-96938 [MEDIUM] CWE-122 CVE-2026-96938: Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-85337 [MEDIUM] CWE-125 CVE-2026-85337: Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

CVE-2026-69350 [MEDIUM] CWE-122 CVE-2026-69350: Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-42907 [MEDIUM] CWE-200 CVE-2026-42907: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information over a network.

CVE-2026-85805 [MEDIUM] CWE-358 CVE-2026-85805: Improperly implemented security check for standard in Windows PowerShell allows an unauthorized atta Improperly implemented security check for standard in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-40413 [HIGH] CWE-476 CVE-2026-40413: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.

CVE-2026-41097 [MEDIUM] CWE-1329 CVE-2026-41097: Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2025-59214 [MEDIUM] CWE-200 CVE-2025-59214: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauth Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-69383 [HIGH] CWE-73 CVE-2026-69383: External control of file name or path in Windows Shell allows an authorized attacker to elevate priv External control of file name or path in Windows Shell allows an authorized attacker to elevate privileges locally.

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.

CVE-2026-25179 [HIGH] CWE-1287 CVE-2026-25179: Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allo Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-85855 [HIGH] CWE-416 CVE-2026-85855: 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-2025-62569 [HIGH] CWE-416 CVE-2025-62569: 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.

CVE-2026-80093 [HIGH] CWE-416 CVE-2026-80093: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-32070 [HIGH] CWE-416 CVE-2026-32070: 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-2026-83793 [HIGH] CWE-59 CVE-2026-83793: Improper link resolution before file access ('link following') in Windows Update Orchestrator Servic Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83915 [HIGH] CWE-416 CVE-2026-83915: Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privile Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privileges locally.