Platform: Windows XP (Vista users are not affected) with Internet Explorer 7 installed
Affected Software Versions
Adobe Reader 8.1 and earlier versions
Adobe Acrobat Standard, Professional and Elements 8.1 and earlier versions
Adobe Acrobat 3D
Solution
To protect Windows XP systems with Internet Explorer 7 installed from this vulnerability, administrators can disable the mailto: option in Acrobat, Acrobat 3D 8 and Adobe Reader by modifying the application options in the Windows registry. Additionally, these changes can be added to network deployments to Windows systems.
http://www.adobe.com/support/security/a ... 07-04.html