Adobe Reader 9.4
Adobe Reader 8.2.5
are available with a major security update. Users of Adobe Reader 8.x or 9.x should upgrade to this newest version.
Security bulletin: http://www.adobe.com/support/security/bulletins/apsb10-21.html
Adobe Reader 9.4 is also available as a Windows MSI installer for corporate deployment.
Navigate the Adobe FTP site to find the appropriate language version: ftp://ftp.adobe.com/pub/adobe/reader/win/9.x/9.4.0/