KB5089549:[Connectivity] This update improves the reliability of Simple Service Discovery Protocol (SSDP)

May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457)

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

• April 14, 2026—KB5083769 (OS Builds 26200.8246 and 26100.8246)
• April 30, 2026—KB5083631 (OS Builds 26200.8328 and 26100.8328) 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​​​​​​​.

- [Secure Boot] With this update, Windows quality updates include additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new Secure Boot certificates. Devices receive the new certificates only after demonstrating sufficient successful update signals, maintaining a controlled and phased rollout. ​​​​​​​

[Boot manager servicing update]

• This update improves startup reliability after boot file updates, so devices start normally without entering BitLocker recovery.
• (Known issue) Fixed: This update addresses an issue where some devices might enter BitLocker Recovery after updating boot files on systems with certain Trusted Platform Module (TPM) validation settings, including invalid PCR7 (Platform Configuration Register 7) configurations. This might occur after installing the April 2026 security update (KB5083769).
• [Connectivity] This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive.

AI Components
This release updates the following AI components:

• Image Search: 1.2604.515.0
• Content Extraction: 1.2604.515.0
• Semantic Analysis: 1.2604.515.0

- Settings Model: 1.2604.515.0