Microsoft Exchange Server Remote Code Execution Vulnerability

HIGH 8.4EXPLOITED (CISA KEV)CVE-2020-17144 · Published 10/12/2020 · updated 17/06/2026

Microsoft Exchange Server Remote Code Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
exchange server microsoft	`= 2010`	No fix yet

Description

Microsoft Exchange Remote Code Execution Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144 · Patch
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2020-17144

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