CVE-2021-34439

HIGH

Windows 10 and Windows Server 2016 - Remote Code Execution in Media Foundation

Title source: llm

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 7.8

EPSS 0.0249

EPSS Percentile 83.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Status published

Products (3)

microsoft/windows_10

microsoft/windows_10 1607

microsoft/windows_server_2016

Published Jul 16, 2021

Tracked Since Feb 18, 2026