The Security Update for SQL Server 2019 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 2019 fixes through CU22, plus it includes the new security fixes detailed in the KB Article.
Security Bulletins: CVE-2023-36728 – Security Update Guide – Microsoft – Microsoft SQL Server Denial of Service Vulnerability CVE-2023-36785 – Security Update Guide – Microsoft – Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability CVE-2023-36417 – Security Update Guide – Microsoft – Microsoft SQL OLE DB Remote Code Execution