At the beginning of March we published a blog post analyzing CVE-2015-0311, a Use-After-Free vulnerability in Adobe Flash Player, and we outlined how to exploit it on Windows 7 SP1 machines. As we mentioned at the end of that article, the exploitation process explained there doesn’t apply to more recent versions of Windows like Windows 8.1 with Update 3, because of a new exploit mitigation technology called Control Flow Guard (CFG).
more here..........https://blog.coresecurity.com/2015/03/25/exploiting-cve-2015-0311-part-ii-bypassing-control-flow-guard-on-windows-8-1-update-3/
more here..........https://blog.coresecurity.com/2015/03/25/exploiting-cve-2015-0311-part-ii-bypassing-control-flow-guard-on-windows-8-1-update-3/