PT-2025-15508 · Microsoft · Windows Media+1

Published 2025-04-08 · Updated 2026-02-12 · CVE-2025-26666

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description A heap-based buffer overflow exists in Windows Media. This issue allows an authorized attacker to execute code locally, and remote attackers to execute arbitrary code, potentially impacting the system. The vulnerability is related to a buffer overflow in dynamic memory within the Windows Media component.

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:2025-04097

CVE-2025-26666

Affected Products

Windows

Windows Media

References · 13

• https://osv.dev/vulnerability/CVE-2025-26666 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26666 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-26666 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26666 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04097 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-26666 · Vendor Advisory
• https://twitter.com/windowsforum/status/1909676787702837544 · Twitter Post
• https://twitter.com/_patchpoint_/status/1910492955280105636 · Twitter Post
• https://twitter.com/CVEnew/status/1909923470601019587 · Twitter Post
• https://t.me/thedarkwebinformer/16998 · Telegram Post
• https://twitter.com/crowdfense/status/2021992706134687909 · Twitter Post
• https://reddit.com/r/CVEWatch/comments/1kj6txi/top_10_trending_cves_10052025 · Reddit Post
• https://twitter.com/_patchpoint_/status/1910492923663442111 · Twitter Post