Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2026-62885 [HIGH] CWE-122 CVE-2026-62885: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-62752 [HIGH] CWE-122 CVE-2026-62752: Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges l Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVE-2026-61353 [HIGH] CWE-122 CVE-2026-61353: Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVE-2026-62712 [HIGH] CWE-122 CVE-2026-62712: Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-70347 [HIGH] CWE-122 CVE-2026-70347: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-61930 [HIGH] CWE-122 CVE-2026-61930: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-62797 [HIGH] CWE-122 CVE-2026-62797: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges local Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-88093 [HIGH] CWE-122 CVE-2026-88093: Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privil Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-85869 [HIGH] CWE-122 CVE-2026-85869: Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to el Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-85871 [HIGH] CWE-122 CVE-2026-85871: Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate p Heap-based buffer overflow in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-85373 [HIGH] CWE-122 CVE-2026-85373: Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorize Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-85358 [HIGH] CWE-122 CVE-2026-85358: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-85366 [HIGH] CWE-122 CVE-2026-85366: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-96318 [HIGH] CWE-122 CVE-2026-96318: Heap-based buffer overflow in Windows Resume allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Resume allows an authorized attacker to elevate privileges locally.

CVE-2026-85927 [HIGH] CWE-122 CVE-2026-85927: Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorize Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-96312 [HIGH] CWE-122 CVE-2026-96312: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-96856 [HIGH] CWE-122 CVE-2026-96856: Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to el Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

CVE-2026-96217 [HIGH] CWE-122 CVE-2026-96217: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges local Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-33841 [HIGH] CWE-122 CVE-2026-33841: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-83931 [HIGH] CWE-122 CVE-2026-83931: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.