Untrusted search path vulnerability in WellinTech KingView 6.53 allows local users to gain privileges via a Trojan horse DLL in the current working directory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/75309
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1829
http://www.us-cert.gov/control_systems/pdf/ICSA-12-122-01.pdf