Untrusted search path vulnerability in Microsoft Office XP SP3, Office 2003 SP3, and Office 2007 SP2 allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .docx file, aka "Office Component Insecure Library Loading Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-023
http://secunia.com/advisories/44015
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12655
http://www.fortiguard.com/advisory/FGA-2011-13.html
http://www.securitytracker.com/id?1025343