Dell/Alienware Digital Delivery versions prior to 3.5.2013 contain a privilege escalation vulnerability. A local non-privileged malicious user could exploit a named pipe that performs binary deserialization via a process hollowing technique to inject malicous code to run an executable with elevated privileges.
Credits
Dell would like to thank Alexander Bolshev, Security Consultant, IOActive and Enrique Nissim, Senior Security Consultant, IOActive for reporting these vulnerabilities.