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Microsoft Windows Server 2022 Update Version OS Build 20348.4776

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Update Summary

KB5082314 for Windows Server 2022 (OS Build 20348.4776) is an out-of-band cumulative update. It includes February 10, 2026 security fixes and addresses a Windows Hello for Business certificate renewal issue in certain ADFS-based deployments. Reference IDs: KB5075906.

Update Details

Security

  • Includes security fixes and improvements from the February 10, 2026 security update (KB5075906).
  • Security guidance notes that Secure Boot certificates used by most Windows devices are set to expire starting in June 2026.

Bug Fixes

  • Fixes a certificate renewal issue affecting Windows Hello for Business in certain Active Directory Federation Services (ADFS)-based deployments on Windows Server 2022.

Hints

  • Apply this update only to affected ADFS servers using ADFS with Windows Hello for Business.
  • The fix is protected by Known Issue Rollback (KIR) and is disabled by default; installing the update alone does not enable it.
  • The KIR enablement Group Policy is provided only by Microsoft Support for confirmed affected customers.
  • If earlier updates are installed, only the new updates in this package are downloaded and installed.
  • Review Microsoft guidance for Secure Boot certificate updates to avoid boot disruption before June 2026.
Product Information

Vendor: Microsoft

Product: Windows Server 2022

Product type: Other

Application category: Utilities

Platform: Windows

Version: OS Build 20348.4776

Vendor release date: Feb 28, 2026

Published on updatealert.io: Jun 3, 2026

Description: Server operating system for on-premises and hybrid workloads.

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