CVE-2022-21837: Microsoft SharePoint Foundation

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

Microsoft SharePoint Server Remote Code Execution Vulnerability

Affected products

• Microsoft SharePoint Foundation: version 2013 only
• Microsoft SharePoint Server: affected versions not specified; version 2016 only; version 2019 only

Published 2022-01-11. Last modified 2026-06-17.