Unquoted Windows search path vulnerability in Wehntrust might allow local users to gain privileges via a malicious "program.exe" file in the C: folder, which is run when Wehntrust creates the autostart key.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24315
http://www.wehnus.com/downloads.pl
http://www.securityfocus.com/bid/16268
http://www.securityfocus.com/archive/1/422046/100/0/threaded
http://www.securityfocus.com/archive/1/422020/100/0/threaded