Microsoft Windows 11 version 23H2 vulnerabilities

CVE-2026-96949 High · 7.0 CWE-362 Oct 13, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-96948 Medium · 5.5 CWE-497 Oct 13, 2026

Windows Client Side Caching driver (csc.sys) Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.

CVE-2026-96947 High · 7.8 CWE-416 Oct 13, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-96946 High · 7.8 CWE-416 Oct 13, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-96939 High · 7.0 CWE-367 Oct 13, 2026

Servicing Stack Updates Elevation of Privilege Vulnerability

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

CVE-2026-96938 Medium · 6.7 CWE-122 Oct 13, 2026

Windows Distributed File System (DFS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-96937 High · 7.0 CWE-416 Oct 13, 2026

Microsoft Windows Search Component Elevation of Privilege Vulnerability

Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-96935 Medium · 5.5 CWE-497 Oct 13, 2026

Windows NTFS Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-96933 High · 7.8 CWE-822 Oct 13, 2026

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96932 High · 7.0 CWE-362 Oct 13, 2026

Windows Embedded Mode Service Elevation of Privilege Vulnerability

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

CVE-2026-96931 High · 7.8 CWE-822 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-96930 Medium · 5.5 CWE-125 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-2026-96929 High · 7.8 CWE-122 Oct 13, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-96928 High · 7.8 CWE-125 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-96927 Medium · 5.5 CWE-125 Oct 13, 2026

Windows NTFS Information Disclosure Vulnerability

Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-96925 Medium · 5.5 CWE-191 Oct 13, 2026

Windows NTFS Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-96924 Critical · 9.8 CWE-822 Oct 13, 2026

Windows OLE Remote Code Execution Vulnerability

Untrusted pointer dereference in Windows OLE allows an unauthorized attacker to execute code over a network.

CVE-2026-96923 High · 7.0 CWE-416 Oct 13, 2026

Windows Workstation Service Elevation of Privilege Vulnerability

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

CVE-2026-96921 Medium · 5.5 CWE-843 Oct 13, 2026

Windows Message Queuing Queue Manager Information Disclosure Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Message Queuing Queue Manager allows an authorized attacker to disclose information locally.

CVE-2026-96920 High · 7.8 CWE-122 Oct 13, 2026

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96919 High · 7.0 CWE-362 Oct 13, 2026

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96918 High · 7.8 CWE-863 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Improper access control in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-96917 High · 8.8 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-2026-96916 High · 7.8 CWE-122 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-96915 High · 7.8 CWE-190 Oct 13, 2026

Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.