Microsoft Windows Server 2003 SP2 allows local users to gain privileges via a crafted IOCTL call to (1) tcpip.sys or (2) tcpip6.sys, aka "TCP/IP Elevation of Privilege Vulnerability."
https://www.exploit-db.com/exploits/37755/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-070