Skip to the content
The Update Bureau
Windows Server 2022 Windows Server 2022 Out-of-band update
Out-of-band

KB5061906

KB5061906: Cumulative update for Windows Server, version 2022, May 2025. Hyper-V fix for confidential VM hangs and unexpected restarts

In short

Fixes an issue that could make confidential virtual machines on Hyper-V stop responding or restart unexpectedly, disrupting service. It also includes a servicing stack update.

Does it affect you? Applies to: Devices running Windows Server 2022. The Hyper-V issue primarily affects Azure confidential virtual machines.

Build
20348.3695
Restart
Required

What changes

Fix 1 change

Hyper-V Platform

  • Confidential virtual machines might intermittently stop responding or restart unexpectedly, disrupting service and requiring manual intervention. This update fixes the issue, which primarily affects Azure confidential virtual machines.1
    Fixes an issue in the direct send path for a guest physical address (GPA) on Hyper-V with Windows Server 2022.

Improvement 1 change

Servicing stack

For: Windows Server 2022 devices

  • The component that installs Windows updates receives quality improvements.2
    Includes servicing stack update KB5058531, build 20348.3691.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-05-23
Classification
Updates
Type
Cumulative update
Restart
Required
Replaces
KB5058385, KB5059092, KB5058920, KB5055526
+19 earlier KB5053603, KB5051979, KB5052819, KB5049983, KB5048654, KB5046616, KB5047767, KB5044281, KB5042881, KB5041160, KB5040437, KB5041054, KB5039227, KB5037782, KB5036909, KB5037422, KB5035857, KB5034770, KB5034129
Replaced by
KB5060526
VersionBuildChannel
2022 20348.3695 General availability

Security

No vulnerabilities are listed for this update.

Downloads (Microsoft Update Catalog)

x64 2022
393.6 MB
windows10.0-kb5061906-x64.msu Main update · KB5061906 SHA-1: 324f8865…eeae6a

Updated components

6 files changed since the previous update for the same versions.

Sources

Updated
Cited passages from Microsoft's official notes (2)
  1. 1. Fixed: An issue in the direct send path for a guest physical address (GPA) where confidential virtual machines running on Hyper-V with Windows Server 2022 might intermittently stop responding or restart unexpectedly, affecting service availability and requiring manual intervention. support.microsoft.com
  2. 2. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 2 quoted passages · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 5/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake