CVE-2012-1894
Microsoft Office for Mac 2011 uses world-writable permissions for the "Applications/Microsoft Office 2011/" directory and certain other directories, which allows local users to gain privileges by placing a Trojan horse executable file in one of these directories, aka "Office for Mac Improper Folder Permissions Vulnerability."
Date published : 2012-07-10
http://www.us-cert.gov/cas/techalerts/TA12-192A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-051