PT-2026-58630 · Microsoft · Windows Media Foundation

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-57094

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description A heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially corrupting memory and allowing for arbitrary code execution.

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

Heap Based Buffer Overflow

Out of bounds Read

Weakness Enumeration

CWE-122

CWE-125

Related Identifiers

CVE-2026-57094

Affected Products

Windows Media Foundation

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-57094 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57094 · Vendor Advisory
• https://twitter.com/vuldb/status/2077242443012231304 · Twitter Post