Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-21190
CVE-2025-21190:
vulnerability analysis and mitigation
Overview
Windows Telephony Service Remote Code Execution Vulnerability (CVE-2025-21190) was disclosed on February 11, 2025. This vulnerability affects multiple versions of Windows operating systems, including Windows 10, Windows 11, Windows Server 2008 through Windows Server 2025 (NVD, CVE).
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. The vulnerability is classified as a Heap-based Buffer Overflow (CWE-122). The attack vector is network-based, requires low attack complexity, needs no privileges, but does require user interaction (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to achieve remote code execution with high impacts on confidentiality, integrity, and availability of the affected system. The vulnerability affects the Windows Telephony Service, potentially compromising critical system functionality (AttackerKB).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across all affected Windows versions. Updates are available through the standard Windows Update channels and can be installed via KB5051974 (Windows 10), KB5051989 (Windows 11), and respective KB articles for other affected versions (Rapid7).
Additional resources
Source: This report was generated using AI
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