Microsoft Windows 11 24H2 vulnerabilities

CVE-2026-69340 [HIGH] CWE-122 CVE-2026-69340: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.

CVE-2026-35422 [MEDIUM] CWE-288 CVE-2026-35422: Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized atta Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.

CVE-2024-38147 [HIGH] CWE-416 CVE-2024-38147: Microsoft DWM Core Library Elevation of Privilege Vulnerability Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVE-2025-21370 [HIGH] CWE-20 CVE-2025-21370: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

CVE-2025-48822 [HIGH] CWE-125 CVE-2025-48822: Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVE-2025-26678 [HIGH] CWE-284 CVE-2025-26678: Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attack Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attacker to bypass a security feature locally.

CVE-2025-33067 [HIGH] CWE-269 CVE-2025-33067: Improper privilege management in Windows Kernel allows an unauthorized attacker to elevate privilege Improper privilege management in Windows Kernel allows an unauthorized attacker to elevate privileges locally.

CVE-2026-83845 [HIGH] CWE-290 CVE-2026-83845: Improper privilege management in Windows Internet (wininet.dll) allows an authorized attacker to per Improper privilege management in Windows Internet (wininet.dll) allows an authorized attacker to perform spoofing locally.

CVE-2025-26641 [HIGH] CWE-400 CVE-2025-26641: Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.

CVE-2025-32714 [HIGH] CWE-284 CVE-2025-32714: Improper access control in Windows Installer allows an authorized attacker to elevate privileges loc Improper access control in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2025-48799 [HIGH] CWE-59 CVE-2025-48799: Improper link resolution before file access ('link following') in Windows Update Service allows an a Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.

CVE-2025-21389 [HIGH] CWE-400 CVE-2025-21389: Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an un Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to deny service over a network.

CVE-2025-33056 [HIGH] CWE-284 CVE-2025-33056: Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an unauthorized attacker to deny service over a network.

CVE-2025-47955 [HIGH] CWE-269 CVE-2025-47955: Improper privilege management in Windows Remote Access Connection Manager allows an authorized attac Improper privilege management in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

CVE-2025-26686 [HIGH] CWE-591 CVE-2025-26686: Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVE-2025-27731 [HIGH] CWE-20 CVE-2025-27731: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.

CVE-2025-24058 [HIGH] CWE-20 CVE-2025-24058: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-24062 [HIGH] CWE-20 CVE-2025-24062: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-24074 [HIGH] CWE-20 CVE-2025-24074: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-24060 [HIGH] CWE-20 CVE-2025-24060: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.