An SQL query method in Microsoft SQL Server 2000 Gold and 7.0 using Mixed Mode allows local database users to gain privileges by reusing a cached connection of the sa administrator account.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A71
https://exchange.xforce.ibmcloud.com/vulnerabilities/6684
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-032