Adobe Reader and Acrobat 10.x before 10.0.1, 9.x before 9.4.2, and 8.x before 8.2.6 on Windows use weak permissions for unspecified files, which allows attackers to gain privileges via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12548
http://www.vupen.com/english/advisories/2011/0337
http://www.securitytracker.com/id?1025033
http://www.adobe.com/support/security/bulletins/apsb11-03.html