CVE-2025-21413
vulnerability analysis and mitigation

Overview

Windows Telephony Service Remote Code Execution Vulnerability, identified as CVE-2025-21413, was disclosed on January 14, 2025. The vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, and various Windows Server editions (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Microsoft has classified this as a heap-based buffer overflow vulnerability (CWE-122) (NVD).

Impact

Based on the CVSS score and vector string, this vulnerability could lead to remote code execution with high impacts on confidentiality, integrity, and availability. The attack vector is network-accessible, requires low attack complexity, needs no privileges, but does require user interaction (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The patches are available for affected systems including Windows 10 (versions 1507, 1607, 1809, 21H2, 22H2), Windows 11 (versions 22H2, 23H2, 24H2), and Windows Server (2008, 2012, 2016, 2019, 2022, 2025) (NVD).

Additional resources


SourceThis report was generated using AI

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