Microsoft Windows 11 Version 26H2 vulnerabilities

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-2026-83573 [MEDIUM] CWE-190 CVE-2026-83573: Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elev Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.

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-2026-96300 [MEDIUM] CWE-770 CVE-2026-96300: Uncontrolled resource consumption in RPC Endpoint Mapper Service allows an unauthorized attacker to Uncontrolled resource consumption in RPC Endpoint Mapper Service allows an unauthorized attacker to deny service over a network.

CVE-2026-102198 [MEDIUM] CWE-125 CVE-2026-102198: Out-of-bounds read in Windows Remote Desktop Protocol allows an authorized attacker to disclose info Out-of-bounds read in Windows Remote Desktop Protocol allows an authorized attacker to disclose information over a network.

CVE-2026-83776 [MEDIUM] CWE-125 CVE-2026-83776: Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileg Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-102188 [MEDIUM] CWE-822 CVE-2026-102188: Untrusted pointer dereference in Windows Storage Port Driver allows an unauthorized attacker to elev Untrusted pointer dereference in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-70122 [MEDIUM] CWE-367 CVE-2026-70122: Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User Service allows an au Time-of-check time-of-use (toctou) race condition in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-105006 [MEDIUM] CWE-416 CVE-2026-105006: Use after free in HID class driver allows an unauthorized attacker to elevate privileges with a phys Use after free in HID class driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-71347 [MEDIUM] CWE-362 CVE-2026-71347: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Security Center allows an authorized attacker to elevate privileges locally.

CVE-2026-96858 [MEDIUM] CWE-306 CVE-2026-96858: Missing authentication for critical function in Windows Security Account Manager allows an authorize Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.

CVE-2026-83736 [MEDIUM] CWE-122 CVE-2026-83736: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-85831 [MEDIUM] CWE-122 CVE-2026-85831: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to disclose in Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to disclose information locally.

CVE-2026-83703 [MEDIUM] CWE-125 CVE-2026-83703: Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an a Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network.

CVE-2026-70148 [MEDIUM] CWE-441 CVE-2026-70148: Improper authorization in Windows Broadcast DVR User Service allows an authorized attacker to disclo Improper authorization in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.

CVE-2026-83500 [MEDIUM] CWE-601 CVE-2026-83500: Url redirection to untrusted site ('open redirect') in Windows BitLocker allows an unauthorized atta Url redirection to untrusted site ('open redirect') in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-83835 [MEDIUM] CWE-126 CVE-2026-83835: Buffer over-read in Windows Common Log File System Driver allows an authorized attacker to disclose Buffer over-read in Windows Common Log File System Driver allows an authorized attacker to disclose information locally.

CVE-2026-96218 [MEDIUM] CWE-15 CVE-2026-96218: Improper access control in Windows Update Stack allows an authorized attacker to perform tampering l Improper access control in Windows Update Stack allows an authorized attacker to perform tampering locally.

CVE-2026-62879 [MEDIUM] CWE-306 CVE-2026-62879: Missing authentication for critical function in Windows SmartScreen allows an authorized attacker to Missing authentication for critical function in Windows SmartScreen allows an authorized attacker to perform tampering locally.