Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application Security feature and execute arbitrary processes by directly writing to \device\physicalmemory to restore the running kernel's SDT ServiceTable.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17270
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1652
http://www.securityfocus.com/bid/11096
http://www.security.org.sg/vuln/kerio4016.html