CVE-2021-28321: Microsoft Visual Studio

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Visual Studio: version 2015 only
• Microsoft Visual Studio 2017: from 15.0, up to and including 15.9
• Microsoft Visual Studio 2019: from 16.0, up to and including 16.7; from 16.8, up to and including 16.9
• Microsoft Windows 10: version 20h2 only; version 1803 only; version 1809 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2016: version 20h2 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2021-04-13. Last modified 2026-06-17.