CVE-2026-62744

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Heap-based Buffer Overflow in Windows Media Foundation

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-62744

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_media_foundation	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This is a heap-based buffer overflow in Microsoft Windows Media Foundation. It allows an unauthorized attacker to execute arbitrary code over a network by exploiting a flaw in memory handling.

Impact Analysis

An attacker could remotely execute malicious code on your system, potentially leading to data theft, system compromise, or installation of malware. This requires user interaction like opening a malicious file or link.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and security. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Media Foundation heap-based buffer overflow vulnerability.

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