CVE-2016-0028: Microsoft Outlook Web Access

Medium severity, CVSS 5.5. EPSS: 22.6% chance of exploitation in the next 30 days.

Outlook Web Access (OWA) in Microsoft Exchange Server 2013 SP1, Cumulative Update 11, and Cumulative Update 12 and 2016 Gold and Cumulative Update 1 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, aka "Microsoft Exchange Information Disclosure Vulnerability."

Affected products

• Microsoft Outlook Web Access: any version

Published 2016-06-16. Last modified 2026-06-17.