KB5061977: Overview with user sentiment and feedback

Overview

KB5061977 is an out-of-band update released by Microsoft for Windows 11, targeting multiple versions including 24H2, 23H2, 22H2, and 21H2. This update addresses specific issues related to Hyper-V Platform functionality and includes servicing stack improvements. Released on May 27, 2025, this update brings OS Build to version 26100.4066.

General Purpose

The primary purpose of this update is to address a critical issue affecting the direct send path for guest physical addresses (GPA) in Hyper-V environments. The update specifically targets scenarios where confidential virtual machines running on Hyper-V with Windows Server 2025 were experiencing intermittent responsiveness issues or unexpected restarts. Additionally, the update includes improvements to the Windows servicing stack, which is essential for ensuring reliable installation of future Windows updates. The update also contains AI component updates, though these are specifically applicable only to Windows Copilot+ PCs.

General Sentiment

The general sentiment towards this update appears positive as it addresses a specific and important issue affecting Hyper-V environments, particularly in Azure confidential VM scenarios. The update is focused and targeted, suggesting a well-defined purpose and solution. The inclusion of servicing stack improvements also indicates Microsoft's commitment to maintaining system stability and update reliability. The fact that this is an out-of-band update suggests Microsoft considered the fixes important enough to release outside the normal update schedule.

Known Issues

• Microsoft has not reported any known issues with this update at the time of release

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2025-06-29 07:36 AM

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