The Security Update for SQL Server 2019 RTM GDR is now available for download at the Microsoft Download Center and Microsoft Update Catalog sites. This package cumulatively includes all previous security fixes for SQL Server 2019 RTM, 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 2019 RTM GDR KB Article: https://support.microsoft.com/help/4583458 Microsoft Download Center: http://www.microsoft.com/download/details.aspx?FamilyID=045cf92b-e3ba-4563-9649-29fce5b2053c Microsoft Update Catalog: http://www.catalog.update.microsoft.com/Search.aspx?q=KB4583458 Latest Updates for Microsoft SQL Server: https://docs.microsoft.com/en-us/sql/database-engine/install-windows/latest-updates-for-microsoft-sql-server