Untrusted search path vulnerability in PDF-XChange Viewer 2.0 Build 54.0 allows local users to gain privileges via a Trojan horse wintab32.dll file in the current working directory, as demonstrated by a directory that contains a .pdf file. NOTE: some of these details are obtained from third party information.
The launchURL function in PDF-XChange Viewer 2.5 (Build 314.0) might allow remote attackers to execute arbitrary code via a crafted PDF file.