Following the recent theft of data from Hacking Team, a major new vulnerability in Adobe Flash Player has been revealed – and is already being exploited. This affects versions of Flash Player from 18.0.0.194 and earlier, which are vulnerable and should not be used any more.

If you are unsure which version of Flash Player you are currently running, this page will tell you. As of this instant, the current version for OS X is 18.0.0.203.

If you need to update, you should do so here.