CVE-2020-17121: Microsoft SharePoint Foundation

High severity, CVSS 8.8. EPSS: 3% chance of exploitation in the next 30 days.

Microsoft SharePoint Remote Code Execution Vulnerability

Affected products

• Microsoft SharePoint Foundation: version 2010 only; version 2013 only
• Microsoft SharePoint Server: version 2016 only; version 2019 only

Published 2020-12-10. Last modified 2026-06-17.