The Adobe made available today a major upgrade to Flash Player correcting a security hole and urging all users upgrade immediately to be safe. Upgrading to an exploit that could cause the crash plugin allowing someone to take control of the system.
The gap identified by Adobe itself as far as we know, according to information users Windows and Internet Explorer are the ones most affected, but to have peace of mind is good to upgrade whatever you use as the exploit to find all versions of Flash for Mac, Windows, Linux and Android.
If you have the auto-updater is likely that the upgrade is performed automatically. Otherwise visit the official Adobe website here and download the latest version of Flash Player. If you have the Android update will be available through Google Play.