I sound this solution for problems with Edge crashing and it seemed to make Dreamweaver CC more stable as well (Mac only):
Originally posted at http://forums.adobe.com/message/5562106#5562106 ):
The cause for me seemed to be this issue: http://lists.apple.com/archives/cocoa-dev/2011/Aug/msg00987.html
"I indeed had the /Library/Contextual Menu Items/SCFinderPlugin.plugin/Contents/MacOS/SCFinderPlugin - i moved it away, restarted Finder…"
It helped me. If you don't have this specific plugin, you might have something else in Finder causing the crashes.