CVE-2020-0991: Microsoft Office

High severity, CVSS 7.8. EPSS: 11.8% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0760.

Affected products

• Microsoft Office: version 2010 only; version 2013 only; version 2016 only; version 2019 only
• Microsoft Office 365 Proplus: affected versions not specified

Published 2020-04-15. Last modified 2026-06-17.