KB5089548: [Connectivity] This update improves the reliability of Simple Service Discovery Protocol (SSDP)

May 12, 2026—KB5089548 (OS Build 28000.2113)

Improvements​​​​​​​
This update includes new features and quality improvements that were part of the following update:

• April 14, 2026—KB5083768 (OS Build 28000.1836)
• April 30, 2026—KB5083806 (OS Build 28000.1896) Preview

This update addresses security vulnerabilities documented in the following guide:

• May 2026 Security Updates

The following summary outlines key quality improvements addressed by this update. The bold text within the brackets indicates the item or area of the change​​​​​​​.

• [Connectivity] This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive.
• [Gaming] This update improves compatibility for some games that use embedded web content and helps reduce the impact of JavaScript errors on in‑game features.

If you've already installed previous updates, your device will download and install only the new updates included in this package.