Security updates available December 9 2014 for Adobe Reader and Acrobat for Windows & Macintosh



Adobe has updated its Adobe Reader software (used to view PDF files) and Acrobat software for Windows and Macintosh to “address vulnerabilities that could cause a crash and potentially allow an attacker to take control of the affected system”.

Such vulnerabilities in Adobe Reader (and Acrobat) before December 9 2014 could allow for execution of unwanted code (typically installing malware or viruses/worms on your PC), without your consent just by opening a PDF.

The affected software versions of Adobe Reader and Acrobat are

  • Adobe Reader XI (11.0.09) and earlier 11.x versions
  • Adobe Reader X (10.1.12) and earlier 10.x versions
  • Adobe Acrobat XI (11.0.09) and earlier 11.x versions
  • Adobe Acrobat X (10.1.12) and earlier 10.x versions

Read Adobe’s security bulletin dated December 9 2014 at for instructions on how to update Adobe Reader and Acrobat.