Microsoft Windows 11 Version 26H2 vulnerabilities

CVE-2026-88152 High · 7.8 CWE-416 Oct 13, 2026

Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

CVE-2026-88149 High · 7.0 CWE-415 Oct 13, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Double free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-88147 High · 7.8 CWE-122 Oct 13, 2026

Windows Secure Socket Tunneling Protocol (SSTP) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally.

CVE-2026-88146 High · 7.0 CWE-362 Oct 13, 2026

Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability

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

CVE-2026-88143 Medium · 6.7 CWE-122 Oct 13, 2026

Windows Storage Spaces Controller Elevation of Privilege Vulnerability

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

CVE-2026-88142 High · 8.8 CWE-122 Oct 13, 2026

Windows Background Intelligent Transfer Service (BITS) Remote Code Execution Vulnerability

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

CVE-2026-88141 High · 7.0 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-2026-88140 Medium · 5.5 CWE-125 Oct 13, 2026

Windows Key Storage Provider Information Disclosure Vulnerability

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

CVE-2026-88139 High · 7.0 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-2026-88137 Medium · 6.5 CWE-552 Oct 13, 2026

WebDAV Information Disclosure Vulnerability

Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

CVE-2026-88136 High · 8.8 CWE-41 Oct 13, 2026

Web Distributed Authoring and Versioning (WEBDAV) Remote Code Execution Vulnerability

Improper resolution of path equivalence in WebDAV allows an authorized attacker to execute code over a network.

CVE-2026-88135 High · 7.8 CWE-862 Oct 13, 2026

WebDAV Elevation of Privilege Vulnerability

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

CVE-2026-88134 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-2026-88133 High · 7.8 CWE-59 Oct 13, 2026

Windows Portable Device Enumerator Service Elevation of Privilege Vulnerability

Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges locally.

CVE-2026-88128 High · 7.8 CWE-122 Oct 13, 2026

Windows DWM Core Library Elevation of Privilege Vulnerability

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

CVE-2026-88127 High · 7.0 CWE-416 Oct 13, 2026

Windows SMB Server Elevation of Privilege Vulnerability

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

CVE-2026-88126 High · 7.8 CWE-822 Oct 13, 2026

WebDAV Elevation of Privilege Vulnerability

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

CVE-2026-88124 High · 7.0 CWE-416 Oct 13, 2026

Windows Installer Elevation of Privilege Vulnerability

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

CVE-2026-88121 High · 8.0 CWE-416 Oct 13, 2026

Windows Background Intelligent Transfer Service (BITS) Remote Code Execution Vulnerability

Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

CVE-2026-88118 High · 7.8 CWE-122 Oct 13, 2026

Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

CVE-2026-88116 High · 8.8 CWE-822 Oct 13, 2026

Windows Domain Name Service Remote Code Execution Vulnerability

Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88114 High · 8.8 CWE-822 Oct 13, 2026

Windows Domain Name Service Remote Code Execution Vulnerability

Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88113 High · 7.0 CWE-416 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-2026-88112 High · 8.8 CWE-822 Oct 13, 2026

Windows Domain Name Service Remote Code Execution Vulnerability

Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88110 High · 7.0 CWE-122 Oct 13, 2026

Windows Graphics Kernel Elevation of Privilege Vulnerability

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