Microsoft Windows 10 21H2 vulnerabilities

CVE-2025-24052 [HIGH] CWE-121 CVE-2025-24052: Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Window

CVE-2024-29995 [HIGH] CWE-208 CVE-2024-29995: Windows Kerberos Elevation of Privilege Vulnerability Windows Kerberos Elevation of Privilege Vulnerability

CVE-2025-21299 [HIGH] CWE-922 CVE-2025-21299: Windows Kerberos Security Feature Bypass Vulnerability Windows Kerberos Security Feature Bypass Vulnerability

CVE-2023-23410 [HIGH] CWE-190 CVE-2023-23410: Windows HTTP.sys Elevation of Privilege Vulnerability Windows HTTP.sys Elevation of Privilege Vulnerability

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-2023-36718 [HIGH] CWE-94 CVE-2023-36718: Microsoft Virtual Trusted Platform Module Remote Code Execution Vulnerability Microsoft Virtual Trusted Platform Module Remote Code Execution Vulnerability

CVE-2025-26673 [HIGH] CWE-400 CVE-2025-26673: Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

CVE-2025-27469 [HIGH] CWE-400 CVE-2025-27469: Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

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-2025-21389 [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-2025-48799 [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-2025-47955 [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-2024-30015 [HIGH] CWE-197 CVE-2024-30015: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

CVE-2024-30029 [HIGH] CWE-197 CVE-2024-30029: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

CVE-2024-30014 [HIGH] CWE-197 CVE-2024-30014: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

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

CVE-2026-20846 [HIGH] CWE-126 CVE-2026-20846: Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network.

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-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.