CVE-2020-1240: Microsoft 365 Apps

High severity, CVSS 8.8. EPSS: 12.6% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Affected products

• Microsoft 365 Apps: affected versions not specified

Published 2020-07-14. Last modified 2026-06-17.