PT-2025-15536 · Microsoft · Windows Telephony Service+1

Published 2025-04-08 · Updated 2025-05-15 · CVE-2025-27477

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 a heap-based buffer overflow that allows unauthorized attackers to execute code over a network. It enables 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

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2025-04103

CVE-2025-27477

Affected Products

Windows

Windows Telephony Service

References · 8

• https://bdu.fstec.ru/vul/2025-04103 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27477 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-27477 · Security Note
• https://osv.dev/vulnerability/CVE-2025-27477 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27477 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-27477 · Vendor Advisory
• https://twitter.com/syedaquib77/status/1923089714455904276 · Twitter Post
• https://twitter.com/CVEnew/status/1909923456260694514 · Twitter Post