Adobe has released security updates for Adobe Reader and Acrobat XI (11.0.04) for Windows. These updates address a regression that occurred in version 11.0.04 affecting Javascript security controls. Adobe Reader and Acrobat X (10.1.8) and earlier versions for Windows are not affected, and all versions of Adobe Reader and Acrobat for Macintosh are also not affected by this vulnerability.
Read more at: Adobe - Security Bulletins: APSB13-25 - Security updates available for Adobe Reader and Acrobat
Download: Adobe - Adobe Reader : For Windows : Adobe Reader 11.0.05 security update - All languages