CVE-2021-34503

HighCVSS 7.8/10Last modified Aug 10, 2026

Description

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1679
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.2061

References

Timeline

Published
Jul 14, 2021
Last modified
Aug 10, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-345047.8Windows Address Book Remote Code Execution VulnerabilityCVE-2021-345066.1Microsoft Edge (Chromium-based) Security Feature Bypass VulnerabilityCVE-2021-345076.5Windows Remote Assistance Information Disclosure VulnerabilityCVE-2021-345088.8Windows Kernel Remote Code Execution VulnerabilityCVE-2021-345095.5Storage Spaces Controller Information Disclosure VulnerabilityCVE-2021-34515.5A denial of service vulnerability was reported in Lenovo PCManager, prior to version 3.0.400.3252, that could allow configuration files to bCVE-2021-345107.8Windows Storage Spaces Controller Elevation of Privilege VulnerabilityCVE-2021-345117.8Windows Installer Elevation of Privilege VulnerabilityCVE-2021-345127.8Windows Storage Spaces Controller Elevation of Privilege VulnerabilityCVE-2021-345137.8Windows Storage Spaces Controller Elevation of Privilege VulnerabilityCVE-2021-345147.8Windows Kernel Elevation of Privilege VulnerabilityCVE-2021-345167.8Win32k Elevation of Privilege Vulnerability
CVE-2021-34503: High severity, CVSS 7.8 | Vulnix