Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 processes unverified data during interaction with the ClickOnce installer, which allows remote attackers to gain privileges via vectors involving Internet Explorer, aka ".NET ClickOnce Elevation of Privilege Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-057
http://www.securitytracker.com/id/1031021
http://www.securityfocus.com/bid/70313