CVE-2018-8153: Microsoft Exchange Server

Medium severity, CVSS 5.4. EPSS: 3.5% chance of exploitation in the next 30 days.

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Spoofing Vulnerability." This affects Microsoft Exchange Server.

Affected products

Published 2018-05-09. Last modified 2026-06-17.