Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-69597 [HIGH] CWE-416 CVE-2026-69597: Use after free in Windows HTTP.sys allows an authorized attacker to elevate privileges over a networ Use after free in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.

CVE-2026-78446 [HIGH] CWE-416 CVE-2026-78446: Use after free in Windows Distributed File System (DFS) allows an authorized attacker to execute cod Use after free in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

CVE-2026-85798 [HIGH] CWE-122 CVE-2026-85798: 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 execute code over a network.

CVE-2025-59199 [HIGH] CWE-284 CVE-2025-59199: Improper access control in Software Protection Platform (SPP) allows an authorized attacker to eleva Improper access control in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.

CVE-2026-24291 [HIGH] CWE-732 CVE-2026-24291: Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBro Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

CVE-2026-88091 [HIGH] CWE-502 CVE-2026-88091: Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacke Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

CVE-2026-49795 [HIGH] CWE-416 CVE-2026-49795: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-50382 [HIGH] CWE-822 CVE-2026-50382: Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code local Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.

CVE-2026-96914 [HIGH] CWE-122 CVE-2026-96914: Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an auth Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2026-69945 [HIGH] CWE-862 CVE-2026-69945: Missing authorization in Windows AppX Deployment Extensions allows an authorized attacker to elevate Missing authorization in Windows AppX Deployment Extensions allows an authorized attacker to elevate privileges locally.

CVE-2026-70185 [HIGH] CWE-639 CVE-2026-70185: Protection mechanism failure in Windows PowerShell allows an authorized attacker to bypass a securit Protection mechanism failure in Windows PowerShell allows an authorized attacker to bypass a security feature locally.

CVE-2026-50385 [HIGH] CWE-362 CVE-2026-50385: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.

CVE-2026-21231 [HIGH] CWE-362 CVE-2026-21231: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-33835 [HIGH] CWE-416 CVE-2026-33835: 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-2026-42905 [HIGH] CWE-416 CVE-2026-42905: 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-2026-56189 [HIGH] CWE-122 CVE-2026-56189: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.

CVE-2026-32221 [HIGH] CWE-122 CVE-2026-32221: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execut Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

CVE-2026-26128 [HIGH] CWE-287 CVE-2026-26128: Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges lo Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

CVE-2026-20864 [HIGH] CWE-122 CVE-2026-20864: Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attac Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

CVE-2026-21245 [HIGH] CWE-122 CVE-2026-21245: 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.