Microsoft Windows 10 21H2 vulnerabilities

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-2024-21347 [HIGH] CWE-122 CVE-2024-21347: Microsoft ODBC Driver Remote Code Execution Vulnerability Microsoft ODBC Driver Remote Code Execution Vulnerability

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.

CVE-2025-24073 [HIGH] CWE-20 CVE-2025-24073: 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-2024-37982 [HIGH] CWE-822 CVE-2024-37982: Windows Resume Extensible Firmware Interface Security Feature Bypass Vulnerability Windows Resume Extensible Firmware Interface Security Feature Bypass Vulnerability

CVE-2025-24046 [HIGH] CWE-416 CVE-2025-24046: Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges lo Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

CVE-2026-24293 [HIGH] CWE-476 CVE-2026-24293: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attac Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-60707 [HIGH] CWE-416 CVE-2025-60707: Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevat Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevate privileges locally.

CVE-2026-83843 [HIGH] CWE-125 CVE-2026-83843: Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker t Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2025-54912 [HIGH] CWE-416 CVE-2025-54912: Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2025-32712 [HIGH] CWE-416 CVE-2025-32712: Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2025-62455 [HIGH] CWE-20 CVE-2025-62455: Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privil Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

CVE-2026-69328 [HIGH] CWE-426 CVE-2026-69328: Untrusted search path in Windows Storage allows an authorized attacker to elevate privileges locally Untrusted search path in Windows Storage allows an authorized attacker to elevate privileges locally.