The Security Update for SQL Server 2017 RTM CU22 is now available for download at the Microsoft Download Center and Microsoft Update Catalog sites. This package cumulatively includes all previous SQL Server 2017 fixes through CU22, plus it includes a new security fix for SQL Server Engine.
Security Bulletin: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1636 Security Update of SQL Server 2017 RTM CU22 KB Article: https://support.microsoft.com/help/4583457 Microsoft Download Center: http://www.microsoft.com/download/details.aspx?FamilyID=9872d293-d269-49fb-8354-33ecb3c1c3b7 Microsoft Update Catalog: http://www.catalog.update.microsoft.com/Search.aspx?q=KB4583457 Latest Updates for Microsoft SQL Server: https://docs.microsoft.com/en-us/sql/database-engine/install-windows/latest-updates-for-microsoft-sql-server