Cyber Posture

CVE-2025-21411

High

Published: 14 January 2025

Published
14 January 2025
Modified
16 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 0.0610 90.8th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Telephony Service Remote Code Execution Vulnerability

Security Summary

CVE-2025-21411 is a remote code execution vulnerability in the Windows Telephony Service, published on 2025-01-14. It stems from a heap-based buffer overflow (CWE-122) and 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), indicating high severity due to its potential for significant impact on confidentiality, integrity, and availability.

A remote unauthenticated attacker can exploit this vulnerability over the network with low complexity by tricking a user into performing an action, such as interacting with a maliciously crafted file or resource. Successful exploitation allows arbitrary code execution in the context of the Telephony Service, potentially leading to full system compromise.

Microsoft's Security Response Center provides an update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21411, which details patching and mitigation recommendations for affected Windows systems.

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
≤ 10.0.22621.4751 · ≤ 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