PT-2025-20955 · Microsoft · Windows Media+1

Dan Mattson · Published 2025-05-13 · Updated 2025-07-27 · CVE-2025-29840

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 Media (affected versions not specified)

Description The issue is related to a stack-based buffer overflow in Windows Media, which can be exploited by a remote attacker to execute arbitrary code over a network. This could allow unauthorized access and control of the system.

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

RCE

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2025-05583

CVE-2025-29840

Affected Products

Windows

Windows Media

References · 12

• https://safe-surf.ru/specialists/bulletins-nkcki/721007 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29840 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29840 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-29840 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-29840 · Security Note
• https://osv.dev/vulnerability/CVE-2025-29840 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05583 · Security Note
• https://twitter.com/CVEnew/status/1922339801434595695 · Twitter Post
• https://t.me/cvenotify/126379 · Telegram Post
• https://twitter.com/windowsforum/status/1922524362214678806 · Twitter Post
• https://t.me/cvenotify/122994 · Telegram Post
• https://twitter.com/dailycve/status/1937171040548925558 · Twitter Post