Adobe has released a security update for its Acrobat and PDF Reader products that fixes at least eight critical vulnerabilities in Mac and Windows versions of the software. If you use either of these programs, please take a minute to update now.
Adobe said it is not aware of exploits or active attacks in the wild against any of the flaws addressed in this update. More information about the patch is available at this link.
For those seeking a lightweight, free alternative to Adobe Reader, check out Sumatra PDF. Foxit Reader is another popular alternative, although it seems to have become less lightweight in recent years.