Untrusted search path vulnerability in Windows Mail and Windows Meeting Space in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .eml or .wcinv file, aka "Windows Mail Insecure Library Loading Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14028
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-085