The company issued a security update on Thursday, APSB11-08, that repairs critical vulnerabilities in current versions of Adobe Reader and Acrobat X for Windows. The hole allowed remote attackers to run arbitrary code on vulnerable machines. Adobe warned that the vulnerability, CVE-2011-0611, is being actively exploited in the wild. The company strongly encouraged users to apply the patch for the vulnerability. The patches are for Flash Player 10.2153.153.1 and earlier for versions of Windows, Mac, Linux and Solaris.
Source: https://threatpost.com/adobe-releases-patch-flash-zero-day-hole-reader-acrobat-042111/75154/