Are there any outstanding critical security issues for Sql Server 2000?
Are there any outstanding critical security issues for Sql Server 2000?


Yes, there are no patches available for newly discovered issues like meltdown/spectre

Microsoft only releases security patches for SQL versions that are still supported. Also notice that if you are running a supported SQL version with an unsupported service pack, you MUST upgrade to a supported service pack to have an available security patch. 


4057122 Description of the security update for SQL Server 2017 GDR: January 3, 2018 
4058562 Description of the security update for SQL Server 2017 RTM CU3: January 3, 2018 
4058561 Description of the security update for SQL Server 2016 SP1 CU7: January 3, 2018 
4057118 Description of the security update for SQL Server 2016 GDR SP1: January 3, 2018 
4058559 Description of the security update for SQL Server 2016 CU: January 6, 2018 
4058560 Description of the security update for SQL Server 2016 GDR: January 6, 2018 
4057117 Description of the security update for SQL Server 2014 SP2 CU10: January 16, 2018 
4057120 Description of the security update for SQL Server 2014 SP2 GDR: January 16, 2018
4057116 Description of the security update for SQL Server 2012 SP4 GDR: January 12, 2018 
4057115 Description of the security update for SQL Server 2012 SP3 GDR: January, 2018
4057121 Description of the security update for SQL Server 2012 SP3 CU: January, 2018
4057114 Description of the security update for SQL Server 2008 SP4 GDR: January 6, 2018 
4057113 Description of the security update for SQL Server 2008 R2 SP3 GDR: January 6, 2018


Protect SQL Server from attacks on Spectre and Meltdown side-channel vulnerabilities