CVE-2018-8504: Microsoft Office

High severity, CVSS 8.8. EPSS: 19.7% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in Microsoft Word software when the software fails to properly handle objects in Protected View, aka "Microsoft Word Remote Code Execution Vulnerability." This affects Microsoft SharePoint Server, Office 365 ProPlus, Microsoft Office, Microsoft Word.

Affected products

• Microsoft Office: version 2010 only; version 2013 only; version 2016 only; version 2019 only
• Microsoft Office 365 Proplus: affected versions not specified
• Microsoft Office Web Apps: version 2010 only
• Microsoft SharePoint Server: version 2010 only
• Microsoft Word: version 2010 only; version 2013 only; version 2016 only

Published 2018-10-10. Last modified 2026-06-17.