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Amazon RDS Custom now supports the latest CU and GDR updates for Microsoft SQL Server

Published
June 25, 2026
https://aws.amazon.com/about-aws/whats-new/2026/06/amazon-rds-custom-supports-latest-cu-gdr-updates-microsoft-sql-server

Amazon RDS Custom for SQL Server Updates

Amazon RDS Custom for SQL Server now supports the latest Cumulative Updates (CU) and General Distribution Release (GDR) updates for Microsoft SQL Server, including SQL Server 2019 CU32+GDR KB5090407 (RDS version 15.00.4470.1.v1) and SQL Server 2022 CU25 KB5081477 (RDS version 15.00.4255.1.v1). The GDR updates address vulnerabilities described in CVE-2026-40370.

For more information on the improvements and fixes, refer to the Microsoft documentation for KB5090407 and KB5081477.

What to do

  • Upgrade your Amazon RDS Custom for SQL Server instances to apply these updates using the Amazon RDS Management Console, AWS SDK, or CLI.
  • Refer to the Amazon RDS Custom User Guide for detailed instructions on upgrading database instances.

Source: AWS release notes




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