Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-32087 [HIGH] CWE-122 CVE-2026-32087: Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker t Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

CVE-2025-50166 [MEDIUM] CWE-190 CVE-2025-50166: Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized a Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized attacker to disclose information over a network.

CVE-2024-30084 [HIGH] CWE-367 CVE-2024-30084: Windows Kernel-Mode Driver Elevation of Privilege Vulnerability Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

CVE-2025-62473 [MEDIUM] CWE-126 CVE-2025-62473: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

CVE-2026-20876 [MEDIUM] CWE-122 CVE-2026-20876: Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authoriz Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2025-64670 [MEDIUM] CWE-200 CVE-2025-64670: Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information over a network.

CVE-2026-42907 [MEDIUM] CWE-200 CVE-2026-42907: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized att Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information over a network.

CVE-2026-34348 [MEDIUM] CWE-693 CVE-2026-34348: Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to discl Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.

CVE-2025-29809 [HIGH] CWE-922 CVE-2025-29809: Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypas Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypass a security feature locally.

CVE-2024-21438 [HIGH] CWE-369 CVE-2024-21438: Microsoft AllJoyn API Denial of Service Vulnerability Microsoft AllJoyn API Denial of Service Vulnerability

CVE-2024-38068 [HIGH] CWE-400 CVE-2024-38068: Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability Windows Online Certificate Status Protocol (OCSP) Server Denial of Service Vulnerability

CVE-2024-20687 [HIGH] CWE-125 CVE-2024-20687: Microsoft AllJoyn API Denial of Service Vulnerability Microsoft AllJoyn API Denial of Service Vulnerability

CVE-2025-21351 [HIGH] CWE-400 CVE-2025-21351: Windows Active Directory Domain Services API Denial of Service Vulnerability Windows Active Directory Domain Services API Denial of Service Vulnerability

CVE-2024-49121 [HIGH] CWE-476 CVE-2024-49121: Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability

CVE-2023-36003 [HIGH] CWE-426 CVE-2023-36003: XAML Diagnostics Elevation of Privilege Vulnerability XAML Diagnostics Elevation of Privilege Vulnerability

CVE-2024-43515 [HIGH] CWE-400 CVE-2024-43515: Internet Small Computer Systems Interface (iSCSI) Denial of Service Vulnerability Internet Small Computer Systems Interface (iSCSI) Denial of Service Vulnerability

CVE-2024-21443 [HIGH] CWE-416 CVE-2024-21443: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-43615 [HIGH] CWE-73 CVE-2024-43615: Microsoft OpenSSH for Windows Remote Code Execution Vulnerability Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

CVE-2025-49680 [HIGH] CWE-59 CVE-2025-49680: Improper link resolution before file access ('link following') in Windows Performance Recorder allow Improper link resolution before file access ('link following') in Windows Performance Recorder allows an authorized attacker to deny service locally.

CVE-2026-32093 [HIGH] CWE-122 CVE-2026-32093: Concurrent execution using shared resource with improper synchronization ('race condition') in Funct Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.