Unquoted Windows search path vulnerability in the scheduler (sched.exe) in Avira AntiVir, AntiVir Premium, Premium Security Suite, and AntiVir Professional might allow local users to gain privileges via a malicious antivir.exe file in the "C:\Program Files\avira\" directory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/46568
http://www.vupen.com/english/advisories/2008/3130
http://blog.zoller.lu/2009/01/tzo-2009-2-avira-antivir-priviledge.html
http://archives.neohapsis.com/archives/bugtraq/2009-01/0146.html