CVE-2020-17144: Microsoft Exchange Server Remote Code Execution Vulnerability

High severity, CVSS 8.4. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 36.5% chance of exploitation in the next 30 days.

Microsoft Exchange Remote Code Execution Vulnerability

Affected products

• Microsoft Exchange Server: version 2010 only

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