HarveyMoraSQL announces the release of a security update for SQL Server 2019 RTM GDR, detailing the vulnerabilities addressed and providing links to official guidance and downloads.

Security Update for SQL Server 2019 RTM GDR

Author: HarveyMoraSQL
Date Updated: August 12, 2025

A new Security Update for SQL Server 2019 RTM GDR is now available for download from the Microsoft Download Center and Microsoft Update Catalog. This release is a cumulative package, containing all previous security fixes for SQL Server 2019 RTM as well as new security fixes, including the latest vulnerability details found in the corresponding Knowledge Base (KB) article.

Highlights

Vulnerability Addressed:
- CVE-2025-49759 - Microsoft SQL Server Denial of Service Vulnerability
Knowledge Base Article:
- KB5063758 - Security Update for SQL Server 2019 RTM GDR
Direct Downloads:
- Download Center
- Microsoft Update Catalog
Find Latest SQL Server Updates:
- Microsoft SQL Server Release & Update Guidance

What’s Included

All previously released security fixes for SQL Server 2019 RTM
New security fixes as described in the linked KB article

How to Apply the Update

Review the KB5063758 article for installation prerequisites and instructions.
Download the installer from either the Microsoft Download Center or Update Catalog.
Apply the update during your organization’s scheduled maintenance window.
Validate installation using SQL Server management tools.

Additional Resources

Regularly monitor the Microsoft Security Update Guide for new vulnerabilities and patches.
For a full list of SQL Server releases and updates, see the SQL Server Releases Documentation.

Stay up to date to protect your SQL Server environments from known vulnerabilities and maintain compliance with organizational security policies.

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