Kaspersky Anti-Spam 3.0 MP1 before Critical Fix 2 (3.0.278.4) sets incorrect permissions for application files in certain upgrade scenarios, which might allow local users to gain privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35782
http://www.securityfocus.com/bid/25189
http://www.kaspersky.com/technews?id=203038705