Is interesting observing how nowadays some old style bug are still available. I think that this one is not a security bug but a deeper investigation is left to all whose are interested.Anyway is sufficient pass a single char as command line parameter to this FlashUtil10m_Plugin.exe (also called Flash Player Installer/Uninstaller) for generate a crash. If you are Admin appear something like the following screenshot:
Opening it with a disassembler (in this case IDA) is possible know that is a problem within the parser that handle the command line parameters:
This bug impact Adobe Flash Player Installer/Uninstaller 10.2 r152 distributed with the latest version of Adobe Flash Player..