Summary: This vulnerability affects : Adobe Flash Player running on all platforms and Adobe Air How an attacker exploits it : By enticing users to visit a website containing malicious Flash content Impact : In the worst case, an attacker can execute code on the user’s computer, potentially gaining control of it What to do : Download and install the latest version of Adobe Flash Player for your platform Exposure: Adobe Flash Player displays interactive, animated web content called Flash . Although Flash is optional, 99% of PC users download and install it to view multimedia web content.