PT-2025-4196 · Microsoft · Windows Telephony Service+1

Published 2025-01-14 · Updated 2025-01-24 · CVE-2025-21286

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 allows remote attackers to execute arbitrary code and affect the system.

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

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-02089

CVE-2025-21286

Affected Products

Windows

Windows Telephony Service

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21286 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21286 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21286 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/716874 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21286 · Security Note
• https://bdu.fstec.ru/vul/2025-02089 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21286 · Security Note
• https://twitter.com/dailycve/status/1882936880079192430 · Twitter Post