CVE-2022-21978: Microsoft Exchange Server

High severity, CVSS 8.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Microsoft Exchange Server Elevation of Privilege Vulnerability

Affected products

• Microsoft Exchange Server: version 2013 only; version 2016 only; version 2019 only

Published 2022-05-10. Last modified 2026-06-17.