Cyber Posture

CVE-2025-21306

High

Published: 14 January 2025

Published
14 January 2025
Modified
24 January 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 0.0165 82.1th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Telephony Service Remote Code Execution Vulnerability

Security Summary

CVE-2025-21306 is a Remote Code Execution vulnerability in the Windows Telephony Service. Published on 2025-01-14, 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-122 and NVD-CWE-noinfo.

The vulnerability can be exploited by an unauthenticated attacker over the network with low attack complexity, though it requires user interaction. Successful exploitation grants high-impact remote code execution, compromising confidentiality, integrity, and availability on the affected system.

Microsoft's Security Response Center update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21306 details available patches and mitigation strategies.

Details

CWE(s)
CWE-122NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1507
≤ 10.0.10240.20890 · ≤ 10.0.10240.20890
microsoft
windows 10 1607
≤ 10.0.14393.7699 · ≤ 10.0.14393.7699
microsoft
windows 10 1809
≤ 10.0.17763.6775 · ≤ 10.0.17763.6775
microsoft
windows 10 21h2
≤ 10.0.19044.5371
microsoft
windows 10 22h2
≤ 10.0.19045.5371
microsoft
windows 11 22h2
≤ 10.0.22621.4751
microsoft
windows 11 23h2
≤ 10.0.22631.4751
microsoft
windows 11 24h2
≤ 10.0.26100.2894
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