The WINS service on Microsoft Windows 2000 SP4, and Server 2003 SP1 and SP2, does not properly validate data structures in WINS network packets, which allows local users to gain privileges via a crafted packet, aka "Memory Overwrite Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5582
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-034
http://www.vupen.com/english/advisories/2008/1781
http://www.us-cert.gov/cas/techalerts/TA08-162B.html