New code in Ransomware kits bypasses Windows EMET

http://arstechnica.com/security/2016/06/drive-by-exploits-pushing-ransomware-now-able-to-bypass-microsoft-emet/

A Little background:EMET is Enhanced Mitigation Experience Toolkit https://en.wikipedia.org/wiki/Enhanced_Mitigation_Experience_Toolkit

My favorite part is

There are a few limitations to the new EMET bypasses. First, FireEye researchers so far have observed them working only on Windows 7 and not on Windows 10, which is widely regarded as more resistant to exploits.

Because it's a big reason to upgrade while it's free.