Security Update for SQL Server 2017 RTM CU(KB5021126)

Security issues have been identified in the SQL Server that could allow an attacker to compromise your system.
You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

More information about the vulnerability can be found here: KB5021126

For other impacted SQL Server releases, please see:

SQL Server 2014 SP3 CU4 + GDR
SQL Server 2014 SP3 GDR
SQL Server 2016 SP3 Azure Connect Feature Pack + GDR
SQL Server 2016 SP3 GDR
SQL Server 2017 RTM CU31 + GDR
SQL Server 2017 RTM GDR
SQL Server 2019 RTM CU18 + GDR
SQL Server 2019 RTM GDR
SQL Server 2022 RTM GDR
For a complete listing of the issues resolved in this update, see the associated Microsoft Knowledge Base article.

Supported Operating Systems

Windows 8, Windows 8.1, Windows 10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

This update is applicable to SQL Server 2017 RTM instances installed on supported Windows and Linux Operating Systems, and Linux containers.

This update refreshes Microsoft SQL Server 2017 RTM Windows and Linux instances that have had a Cumulative Update applied (versions 14.0.3006.16(CU1) to 14.0.3456.2(CU31)).

For Microsoft SQL Server 2017 RTM for Windows and Linux instances (versions 14.0.1000.169 to 14.0.2042.3) that have NOT had any Cumulative Update applied, please see KB5021127. After you install this update, you may have to restart your computer.