Adobe released security updates on September 10 for Flash Player, Shockwave Player, Acrobat, and Acrobat Reader. Adobe assigned a priority rating of 1 to the Flash and Shockwave Player updates for Windows and Mac, and a priority rating of 2 to the Acrobat and Reader updates for Windows and Mac.
According to http://www.adobe.com/support/security/severity_ratings.html, a priority 1 rating means "This update resolves vulnerabilities being targeted, or which have a higher risk of being targeted, by exploit(s) in the wild for a given product version and platform. Adobe recommends administrators install the update as soon as possible. (for instance, within 72 hours)."
Priority 2 means "This update resolves vulnerabilities in a product that has historically been at elevated risk. There are currently no known exploits. Based on previous experience, we do not anticipate exploits are imminent. As a best practice, Adobe recommends administrators install the update soon (for instance, within 30 days)."
Go to http://get.adobe.com/flashplayer/ to download the update for Flash Player. Visit http://get.adobe.com/shockwave/ to get the update for Shockwave Player. Use the "Check for Updates" feature in the Acrobat and Reader Help menus to patch these products.