Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-27929 [HIGH] CWE-367 CVE-2026-27929: Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to Time-of-check time-of-use (toctou) race condition in Windows LUAFV allows an authorized attacker to elevate privileges locally.

CVE-2026-45487 [HIGH] CWE-367 CVE-2026-45487: Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85920 [HIGH] CWE-367 CVE-2026-85920: Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2026-88160 [HIGH] CWE-362 CVE-2026-88160: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-50492 [MEDIUM] CWE-122 CVE-2026-50492: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker t Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code with a physical attack.

CVE-2025-58729 [MEDIUM] CWE-1287 CVE-2025-58729: Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an auth Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

CVE-2026-69902 [MEDIUM] CWE-822 CVE-2026-69902: Untrusted pointer dereference in Windows NTFS allows an authorized attacker to execute code locally. Untrusted pointer dereference in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-68898 [MEDIUM] CWE-125 CVE-2026-68898: Out-of-bounds read in Windows iSCSI allows an unauthorized attacker to deny service over a network. Out-of-bounds read in Windows iSCSI allows an unauthorized attacker to deny service over a network.

CVE-2026-49804 [MEDIUM] CWE-122 CVE-2026-49804: Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate pr Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-27925 [MEDIUM] CWE-416 CVE-2026-27925: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.

CVE-2026-69267 [MEDIUM] CWE-1220 CVE-2026-69267: Insufficient granularity of access control in Windows Connected User Experiences and Telemetry allow Insufficient granularity of access control in Windows Connected User Experiences and Telemetry allows an authorized attacker to disclose information locally.

CVE-2026-49174 [MEDIUM] CWE-306 CVE-2026-49174: Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

CVE-2026-69317 [MEDIUM] CWE-125 CVE-2026-69317: Out-of-bounds read in Remote Desktop Client allows an authorized attacker to disclose information ov Out-of-bounds read in Remote Desktop Client allows an authorized attacker to disclose information over a network.

CVE-2026-65777 [MEDIUM] CWE-326 CVE-2026-65777: Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.

CVE-2025-59208 [HIGH] CWE-125 CVE-2025-59208: Out-of-bounds read in Windows MapUrlToZone allows an unauthorized attacker to disclose information o Out-of-bounds read in Windows MapUrlToZone allows an unauthorized attacker to disclose information over a network.

CVE-2025-59282 [HIGH] CWE-362 CVE-2025-59282: Concurrent execution using shared resource with improper synchronization ('race condition') in Inbox Concurrent execution using shared resource with improper synchronization ('race condition') in Inbox COM Objects allows an unauthorized attacker to execute code locally.

CVE-2025-53139 [HIGH] CWE-319 CVE-2025-53139: Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.

CVE-2025-58735 [HIGH] CWE-416 CVE-2025-58735: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

CVE-2025-58732 [HIGH] CWE-416 CVE-2025-58732: Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

CVE-2025-62219 [HIGH] CWE-362 CVE-2025-62219: Double free in Microsoft Wireless Provisioning System allows an authorized attacker to elevate privi Double free in Microsoft Wireless Provisioning System allows an authorized attacker to elevate privileges locally.