CVE-2019-0588: Microsoft Exchange Server

Medium severity, CVSS 6.5. EPSS: 4.6% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.

Affected products

• Microsoft Exchange Server: version 2010 only; version 2013 only; version 2016 only; version 2019 only

Published 2019-01-08. Last modified 2026-06-17.