.NET isn't something I work with but that's good to hear.

Maybe you could tell me why this one doesn't count though? http://technet.microsoft.com/en-us/security/bulletin/ms10-06...

This is just the first I found. Sorry I'm not being awkward, I just don't work with CLR/Silverlight. What in your mind prevents this remote execution exploit from being serious? CVE denote it as a 9.3 and Microsoft claim it allows remote execution on a server too (under some circumstances).