CVE-2020-17117: Microsoft Exchange Server

Medium severity, CVSS 6.6. EPSS: 48.9% chance of exploitation in the next 30 days.

Microsoft Exchange Remote Code Execution Vulnerability

Affected products

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

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