Untrusted search path vulnerability in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1, when the Simplified Chinese Proofing Tool is enabled, 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 "Microsoft Office Chinese Grammar Checking Vulnerability."