Cyber Posture

CVE-2025-21201

High

Published: 11 February 2025

Published
11 February 2025
Modified
28 February 2025
KEV Added
—
Patch
—
CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0016 37.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Telephony Server Remote Code Execution Vulnerability

Security Summary

CVE-2025-21201 is a Remote Code Execution vulnerability in the Windows Telephony Server component of Microsoft Windows. Published on 2025-02-11, it carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) and is associated with CWE-415.

The vulnerability enables remote exploitation over the network with low attack complexity and no required privileges, though it demands user interaction such as clicking a malicious link or file. An attacker who successfully exploits it can achieve high-impact effects on confidentiality, integrity, and availability, including execution of arbitrary code in the context of the affected server process.

Microsoft's Security Response Center update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21201 provides details on mitigation, including available patches and recommended actions for affected systems.

Details

CWE(s)
CWE-415NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1507
≤ 10.0.10240.20915 · ≤ 10.0.10240.20915
microsoft
windows 10 1607
≤ 10.0.14393.7785 · ≤ 10.0.14393.7785
microsoft
windows 10 1809
≤ 10.0.17763.6893 · ≤ 10.0.17763.6893
microsoft
windows 10 21h2
≤ 10.0.19044.5487
microsoft
windows 10 22h2
≤ 10.0.19045.5487
microsoft
windows 11 22h2
≤ 10.0.22621.4890
microsoft
windows 11 23h2
≤ 10.0.22631.4890
microsoft
windows 11 24h2
≤ 10.0.26100.3194
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list

References