The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows local users to overwrite memory and execute arbitrary code via malformed Interrupt Request Packet (Irp) parameters.
https://www.exploit-db.com/exploits/4165
https://exchange.xforce.ibmcloud.com/vulnerabilities/35309
http://www.winpcap.org/misc/changelog.htm
http://www.vupen.com/english/advisories/2007/2468
http://www.securityfocus.com/bid/24829
http://www.securityfocus.com/archive/1/473301/100/0/threaded
http://www.securityfocus.com/archive/1/473297/100/0/threaded
http://www.securityfocus.com/archive/1/473270/100/0/threaded
http://securitytracker.com/id?1018350
http://secunia.com/advisories/25982
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=550