Microsoft Windows 11 23H2 vulnerabilities

CVE-2025-24050 [HIGH] CWE-122 CVE-2025-24050: Heap-based buffer overflow in Role: Windows Hyper-V allows an authorized attacker to elevate privile Heap-based buffer overflow in Role: Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-88133 [HIGH] CWE-59 CVE-2026-88133: Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker t Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges locally.

CVE-2024-30098 [HIGH] CWE-327 CVE-2024-30098: Windows Cryptographic Services Security Feature Bypass Vulnerability Windows Cryptographic Services Security Feature Bypass Vulnerability

CVE-2026-70131 [HIGH] CWE-122 CVE-2026-70131: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to elevate privileges locally.

CVE-2026-20811 [HIGH] CWE-822 CVE-2026-20811: Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an au Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2026-85849 [HIGH] CWE-59 CVE-2026-85849: Improper link resolution before file access ('link following') in Windows AppX Deployment Service al Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

CVE-2026-70163 [HIGH] CWE-770 CVE-2026-70163: Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized a Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized attacker to deny service over a network.

CVE-2026-54984 [HIGH] CWE-122 CVE-2026-54984: Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally.

CVE-2026-32152 [HIGH] CWE-416 CVE-2026-32152: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-26179 [HIGH] CWE-415 CVE-2026-26179: Double free in Windows Kernel allows an authorized attacker to elevate privileges locally. Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2023-36401 [HIGH] CWE-190 CVE-2023-36401: Microsoft Remote Registry Service Remote Code Execution Vulnerability Microsoft Remote Registry Service Remote Code Execution Vulnerability

CVE-2026-35424 [HIGH] CWE-401 CVE-2026-35424: Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol a Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-83840 [HIGH] CWE-1390 CVE-2026-83840: Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges l Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2026-69809 [HIGH] CWE-401 CVE-2026-69809: Missing release of memory after effective lifetime in Active Directory Domain Services allows an una Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.

CVE-2026-69428 [HIGH] CWE-125 CVE-2026-69428: Out-of-bounds read in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized at Out-of-bounds read in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-70245 [HIGH] CWE-843 CVE-2026-70245: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-83761 [HIGH] CWE-416 CVE-2026-83761: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-70303 [HIGH] CWE-787 CVE-2026-70303: Out-of-bounds write in Windows Kernel allows an authorized attacker to elevate privileges locally. Out-of-bounds write in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-45636 [HIGH] CWE-20 CVE-2026-45636: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-26156 [HIGH] CWE-20 CVE-2026-26156: Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locall Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.