Vulnerability DatabaseCVE-2025-21406

CVE-2025-21406:
vulnerability analysis and mitigation

Overview

Windows Telephony Service Remote Code Execution Vulnerability affects multiple versions of Windows operating systems. The vulnerability was disclosed on February 11, 2025, and has been assigned CVE-2025-21406. The vulnerability impacts various Windows versions including Windows 10, Windows 11, and Windows Server editions from 2008 to 2025 (MITRE CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 8.8 (High), with an Impact Score of 5.9 and Exploitability Score of 2.8. The attack vector is Network-based (AV:N) with Low attack complexity (AC:L), requiring No privileges (PR:N) but does need User interaction (UI:R). The scope is Unchanged (S:U), with High impact on Confidentiality, Integrity, and Availability (C:H/I:H/A:H) (AttackerKB).

Impact

The vulnerability has potential High impact on system Confidentiality, Integrity, and Availability. If successfully exploited, it could allow an attacker to execute remote code on affected systems, potentially compromising the entire system (AttackerKB).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Affected users and system administrators should apply the appropriate patches for their specific Windows version (Microsoft Security).

Additional resources

Source: This report was generated using AI

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