The installer in Adobe Reader 9.x before 9.5.1 and 10.x before 10.1.3 allows attackers to bypass intended access restrictions and execute arbitrary code via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15270
http://www.us-cert.gov/cas/techalerts/TA12-101B.html
http://www.securitytracker.com/id?1026908
http://www.adobe.com/support/security/bulletins/apsb12-08.html