CVE-2020-1178: Microsoft SharePoint Enterprise Server

High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka 'Microsoft SharePoint Server Elevation of Privilege Vulnerability'.

Affected products

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

Published 2020-06-09. Last modified 2026-06-17.