WINS in Microsoft Windows Server 2003 SP2 and Server 2008 SP2, R2, and R2 SP1 allows local users to gain privileges by sending crafted packets over the loopback interface, aka "WINS Local Elevation of Privilege Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12634
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-070