CVE-2010-1254: Microsoft Open XML File Format Converter

Medium severity, CVSS 6.9. EPSS: 1.4% chance of exploitation in the next 30 days.

The installation for Microsoft Open XML File Format Converter for Mac sets insecure ACLs for the /Applications folder, which allows local users to execute arbitrary code by replacing the executable with a Trojan Horse, aka "Mac Office Open XML Permissions Vulnerability."

Affected products

• Microsoft Open XML File Format Converter: any version

Published 2010-06-08. Last modified 2026-06-16.