Microsoft: Recent Windows updates cause SQL Server performance issues

Microsoft has confirmed that Windows updates released since the October 2026 Patch Tuesday are causing SQL Server performance and stability issues.
Windows Report on MSN

Microsoft confirms Windows updates are breaking SQL Server connections

Microsoft confirms recent Windows updates cause SQL Server performance and stability issues. An emergency fix is coming.

Microsoft admits SQL Servers might wobble after October update

The problem is that after the October 13 (KB5126646) update, connections created by SQL Server linked server queries might remain open. According to Microsoft, "As additional queries are performed, ...
Redmond

Microsoft Build: SQL Server 2025 Is (Almost) Here

At Microsoft Build, SQL Server 2025 enters public preview with major enhancements in AI integration, performance, reliability and developer tools -- reaffirming Microsoft’s continued investment in its ...

[Just in case] Why you shouldn't rush to update SQL Server despite the 'CVSS 9.8' emergency alert, and what you should check right now

On November 10, 2026, a monthly security update was released for 'Microsoft SQL Server,' which is widely used as a database for internal systems and core business operations, containing an extremely ...

[Microsoft DP-300] 500 Multiple-Choice Questions Focused on Azure SQL Database Administration! 2026 Edition

This is a PDF question bank for [Microsoft DP-300] preparation, containing 500 original multiple-choice questions with answers and explanations, covering everything from Azure SQL migration, security, ...