CVE-2025-21244
Published: 14 January 2025
Description
Windows Telephony Service Remote Code Execution Vulnerability
Security Summary
CVE-2025-21244 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-190 (Integer Overflow or Wraparound) along with NVD-CWE-noinfo.
The vulnerability can be exploited by a remote unauthenticated attacker over the network with low attack complexity, though it requires user interaction. Successful exploitation enables high-impact consequences, including unauthorized access to confidential data, modification of system integrity, disruption of availability, and execution of arbitrary code on the affected Windows system.
Microsoft's update guide provides details on mitigation, available at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21244.
Details
- CWE(s)