PT-2025-1157 · Microsoft · Windows Telephony Service+1

Published 2025-01-14 · Updated 2025-01-24 · CVE-2025-21244

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows Telephony Service (affected versions not specified)

Description The issue is related to an integer overflow in the Windows Telephony Service, which can be exploited by remote attackers to execute arbitrary code on the system by sending a request to the server. This allows for the execution of arbitrary code, potentially affecting the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

BDU:2025-00438

CVE-2025-21244

Affected Products

Windows

Windows Telephony Service

References · 8

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21244 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21244 · Security Note
• https://bdu.fstec.ru/vul/2025-00438 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/716880 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21244 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21244 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21244 · Security Note
• https://t.me/cvenotify/108568 · Telegram Post