Microsoft Windows 11 version 23H2 vulnerabilities

CVE-2026-85945 High · 7.8 CWE-416 Oct 13, 2026

Windows Kernel Elevation of Privilege Vulnerability

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-85943 High · 7.0 CWE-122 Oct 13, 2026

Reliable Multicast Transport Driver (RMCAST) Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Reliable Multicast Transport Driver (RMCAST) allows an authorized attacker to elevate privileges locally.

CVE-2026-85941 High · 7.0 CWE-362 Oct 13, 2026

Windows Installer Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-85939 Medium · 5.3 CWE-1390 Oct 13, 2026

Windows Kernel Security Feature Bypass Vulnerability

Weak authentication in Windows Kernel allows an authorized attacker to bypass a security feature over a network.

CVE-2026-85938 Medium · 5.5 CWE-862 Oct 13, 2026

Windows Broadcast DVR User Service Information Disclosure Vulnerability

Improper access control in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.

CVE-2026-85936 High · 8.8 CWE-122 Oct 13, 2026

Windows Shell Remote Code Execution Vulnerability

Double free in Windows Shell allows an unauthorized attacker to execute code over a network.

CVE-2026-85935 Medium · 5.5 CWE-126 Oct 13, 2026

Windows USB Driver Information Disclosure Vulnerability

Buffer over-read in Windows USB Driver allows an authorized attacker to disclose information locally.

CVE-2026-85934 High · 7.0 CWE-416 Oct 13, 2026

Windows AppX Deployment Service Elevation of Privilege Vulnerability

Use after free in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85933 High · 7.8 CWE-416 Oct 13, 2026

Windows Print Spooler Components Elevation of Privilege Vulnerability

Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

CVE-2026-85931 High · 8.8 CWE-122 Oct 13, 2026

Windows Distributed File System (DFS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

CVE-2026-85930 High · 7.0 CWE-416 Oct 13, 2026

Windows Image Acquisition Elevation of Privilege Vulnerability

Use after free in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.

CVE-2026-85928 Critical · 9.8 CWE-122 Oct 13, 2026

Windows Volume Manager Extension Driver Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-85927 High · 7.8 CWE-122 Oct 13, 2026

Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-85926 High · 8.1 CWE-416 Oct 13, 2026

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

CVE-2026-85920 High · 7.0 CWE-367 Oct 13, 2026

Windows BitLocker Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2026-85918 High · 7.0 CWE-416 Oct 13, 2026

Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-85916 Medium · 5.5 CWE-359 Oct 13, 2026

Azure Active Directory Information Disclosure Vulnerability

Exposure of private personal information to an unauthorized actor in Azure Active Directory allows an unauthorized attacker to disclose information locally.

CVE-2026-85915 High · 7.8 CWE-122 Oct 13, 2026

Windows PCI Bus Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-85914 High · 7.0 CWE-416 Oct 13, 2026

Windows Embedded Mode Service Elevation of Privilege Vulnerability

Use after free in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85912 High · 7.0 CWE-362 Oct 13, 2026

Clipboard User Service Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85911 High · 7.8 CWE-416 Oct 13, 2026

Windows StateRepository API Elevation of Privilege Vulnerability

Use after free in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

CVE-2026-85909 Medium · 5.5 CWE-822 Oct 13, 2026

Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability

Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.

CVE-2026-85908 High · 7.8 CWE-122 Oct 13, 2026

Windows Graphics Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-85906 High · 7.8 CWE-416 Oct 13, 2026

Windows Direct Composition Elevation of Privilege Vulnerability

Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.

CVE-2026-85905 High · 8.8 CWE-122 Oct 13, 2026

Windows UI Immersive Server API Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally.