This update resolves the "NetMon Protocol Parsing" security vulnerability in Windows NT� 4.0, and Systems Management Server (SMS). Network Monitor (NetMon) is an administrative tool that is used to monitor network traffic. If malformed data is sent over a network that an administrator is monitoring, it could overrun the buffer (a temporary data storage area on your computer) and either cause the NetMon to fail, or cause code of the sender�s choice to run on the computer that is under the administrators control. Download now to prevent a malicious user from causing your computers buffer to overflow.

For more information about this vulnerability, please read Microsoft Security Bulletin MS00-083.