Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-85842 [HIGH] CWE-134 CVE-2026-85842: Use of externally-controlled format string in Windows Image Acquisition allows an authorized attacke Use of externally-controlled format string in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.

CVE-2026-88182 [HIGH] CWE-416 CVE-2026-88182: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-88181 [HIGH] CWE-125 CVE-2026-88181: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges l Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2026-85829 [HIGH] CWE-415 CVE-2026-85829: Double free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges Double free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges locally.

CVE-2026-88188 [HIGH] CWE-125 CVE-2026-88188: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges l Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2026-96928 [HIGH] CWE-125 CVE-2026-96928: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-96867 [HIGH] CWE-125 CVE-2026-96867: Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-96862 [HIGH] CWE-125 CVE-2026-96862: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges loca Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-88179 [HIGH] CWE-125 CVE-2026-88179: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges l Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-59187 [HIGH] CWE-20 CVE-2025-59187: Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges loca Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-65773 [HIGH] CWE-284 CVE-2026-65773: Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locall Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-40409 [HIGH] CWE-197 CVE-2026-40409: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

CVE-2026-27907 [HIGH] CWE-191 CVE-2026-27907: Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized att Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

CVE-2026-45592 [HIGH] CWE-190 CVE-2026-45592: Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to el Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.

CVE-2026-26153 [HIGH] CWE-125 CVE-2026-26153: Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

CVE-2025-59278 [HIGH] CWE-1287 CVE-2025-59278: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

CVE-2025-59275 [HIGH] CWE-122 CVE-2025-59275: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

CVE-2026-33834 [HIGH] CWE-284 CVE-2026-33834: Improper access control in Windows Event Logging Service allows an authorized attacker to elevate pr Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83741 [HIGH] CWE-416 CVE-2026-83741: Use after free in Internet Explorer allows an authorized attacker to elevate privileges locally. Use after free in Internet Explorer allows an authorized attacker to elevate privileges locally.

CVE-2026-61349 [HIGH] CWE-362 CVE-2026-61349: Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges lo Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges locally.