Skip to content

Vulnerabilities of Microsoft Windows 11 version 26H1

Is your version affected?

CVE Summary Score Published
CVE-2026-96858 Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to… 5.5 Medium Oct 13, 2026
CVE-2026-96918 Improper access control in Windows NTFS allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96909 Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network 9.8 Critical Oct 13, 2026
CVE-2026-96910 Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to disclose… 5.5 Medium Oct 13, 2026
CVE-2026-96911 Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an… 7.8 High Oct 13, 2026
CVE-2026-96912 Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96913 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally 8.8 High Oct 13, 2026
CVE-2026-96914 Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to… 8.8 High Oct 13, 2026
CVE-2026-96915 Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-96846 Out-of-bounds read in WebDAV allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96847 Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96321 Out-of-bounds read in Remote Desktop Display Driver allows an authorized attacker to disclose information locally 5.5 Medium Oct 13, 2026
CVE-2026-96850 Use of uninitialized resource in Windows Modern Device Management (MDM) allows an authorized attacker to disclose… 5.5 Medium Oct 13, 2026
CVE-2026-96324 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96852 Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96325 Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service… 7.5 High Oct 13, 2026
CVE-2026-96853 Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to… 4.7 Medium Oct 13, 2026
CVE-2026-96843 Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-96854 Access of resource using incompatible type ('type confusion') in Windows Device Association Service allows an authorized… 5.5 Medium Oct 13, 2026
CVE-2026-96844 Integer underflow (wrap or wraparound) in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges… 8.0 High Oct 13, 2026
CVE-2026-96253 Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96254 Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96300 Uncontrolled resource consumption in RPC Endpoint Mapper Service allows an unauthorized attacker to deny service over… 5.9 Medium Oct 13, 2026
CVE-2026-96301 Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-96310 Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026

Other Microsoft products