Microsoft Windows 11 23H2 vulnerabilities

CVE-2024-21407 [HIGH] CWE-416 CVE-2024-21407: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2026-25187 [HIGH] CWE-59 CVE-2026-25187: Improper link resolution before file access ('link following') in Winlogon allows an authorized atta Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

CVE-2026-45586 [HIGH] CWE-59 CVE-2026-45586: Improper link resolution before file access ('link following') in Windows Collaborative Translation Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker to elevate privileges locally.

CVE-2024-38196 [HIGH] CWE-20 CVE-2024-38196: Windows Common Log File System Driver Elevation of Privilege Vulnerability Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVE-2024-21447 [HIGH] CWE-59 CVE-2024-21447: Windows Authentication Elevation of Privilege Vulnerability Windows Authentication Elevation of Privilege Vulnerability

CVE-2026-20931 [HIGH] CWE-73 CVE-2026-20931: External control of file name or path in Windows Telephony Service allows an authorized attacker to External control of file name or path in Windows Telephony Service allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-24061 [HIGH] CWE-693 CVE-2025-24061: Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to by Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature locally.

CVE-2024-38063 [CRITICAL] CWE-191 CVE-2024-38063: Windows TCP/IP Remote Code Execution Vulnerability Windows TCP/IP Remote Code Execution Vulnerability

CVE-2025-21293 [HIGH] CWE-284 CVE-2025-21293: Active Directory Domain Services Elevation of Privilege Vulnerability Active Directory Domain Services Elevation of Privilege Vulnerability

CVE-2023-38545 [CRITICAL] CWE-787 CVE-2023-38545: This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host name can be is 255 bytes. If the host name is detected to be longer, curl switches to local

CVE-2023-35628 [HIGH] CWE-416 CVE-2023-35628: Windows MSHTML Platform Remote Code Execution Vulnerability Windows MSHTML Platform Remote Code Execution Vulnerability

CVE-2024-30080 [CRITICAL] CWE-416 CVE-2024-30080: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2025-53778 [HIGH] CWE-287 CVE-2025-53778: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

CVE-2026-20929 [HIGH] CWE-284 CVE-2026-20929: Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.

CVE-2025-50154 [MEDIUM] CWE-200 CVE-2025-50154: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauth Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

CVE-2024-30085 [HIGH] CWE-122 CVE-2024-30085: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVE-2025-47981 [CRITICAL] CWE-122 CVE-2025-47981: Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.

CVE-2025-47987 [HIGH] CWE-122 CVE-2025-47987: Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elev Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elevate privileges locally.

CVE-2026-47291 [CRITICAL] CWE-122 CVE-2026-47291: Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code o Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.

CVE-2025-54918 [HIGH] CWE-287 CVE-2025-54918: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.