This update resolves the "NetBIOS Name Server Protocol Spoofing" security vulnerability in some Windows-based networks. Installing this update will prevent a malicious user from misusing the Name Conflict and Name Release mechanisms that are part of Windows Internet Name Service (WINS). If this vulnerability is exploited, Windows 2000 and Windows NTÃ?????Ã????Ã???Ã??Ã?Â® 4.0 computers would be unable to register a name on the network, or would lose their current name registration, making these computers unavailable as network resources.
For more information on this vulnerability, please read Microsoft Security Bulletin MS00-047.