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Known vulnerabilities in Microsoft Windows 11 Version 23H2

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CVE Summary Score Published
CVE-2026-88179 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88189 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88180 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88181 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88191 Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an… 7.8 High Oct 13, 2026
CVE-2026-88182 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88193 Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88194 Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88121 Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code… 8.0 High Oct 13, 2026
CVE-2026-88133 Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges… 7.8 High Oct 13, 2026
CVE-2026-88142 Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code… 8.8 High Oct 13, 2026
CVE-2026-88135 Improper access control in WebDAV allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88147 Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-88118 Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker… 7.8 High Oct 13, 2026
CVE-2026-88128 Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88149 Double free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88141 Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88152 Use after free in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-87702 Integer overflow or wraparound in Windows Resource Management (MRM) allows an authorized attacker to elevate… 7.8 High Oct 13, 2026
CVE-2026-87715 Use after free in Windows Installer allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88113 Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88134 Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88103 Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-88072 Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026
CVE-2026-88126 Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally 7.8 High Oct 13, 2026

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