CVE-2018-8244: Microsoft Office

Medium severity, CVSS 6.5. EPSS: 5.3% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists when Microsoft Outlook does not validate attachment headers properly, aka "Microsoft Outlook Elevation of Privilege Vulnerability." This affects Microsoft Office, Microsoft Outlook.

Affected products

• Microsoft Office: version 2016 only
• Microsoft Outlook: version 2010 only; version 2013 only; version 2016 only
• Microsoft Outlook Rt: version 2013 only

Published 2018-06-14. Last modified 2026-06-17.