Microsoft SQL Server 7, 2000, and MSDE allows local users to execute arbitrary code via a certain request to the Local Procedure Calls (LPC) port that leads to a buffer overflow.
Microsoft SQL Server 7, 2000, and MSDE allows local users to gain privileges by hijacking a named pipe during the authentication of another user, aka the "Named Pipe Hijacking" vulnerability.
Microsoft SQL Server 7, 2000, and MSDE allows local or remote authenticated users to cause a denial of service (crash or hang) via a long request to a named pipe.
Cross-site scripting (XSS) vulnerability in the management screen in myLittleTools myLittleAdmin for SQL Server 2000 allows remote attackers to inject arbitrary web script or HTML via vectors that trigger a crafted database entry.