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@@ -3,7 +3,7 @@ title: Security updates for Azure Local, version 23H2
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description: Security updates for Azure Local, version 23H2.
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author: alkohli
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ms.topic: conceptual
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ms.date: 05/13/2025
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ms.date: 05/16/2025
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ms.author: alkohli
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ms.reviewer: alkohli
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---
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::: moniker range="=azloc-2505"
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## May OS security update (KB5058384) for Azure Local
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## May OS security updates (KB5058384 and KB5058411) for Azure Local
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This article describes the OS security update for Azure Local that was released on May 13, 2025 and applies to OS build 25398.1611.
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This article describes the OS security updates for Azure Local that were released for version 2505.
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For the 2505 release of Azure Local, Microsoft released two security updates: one for existing deployments and another for new deployments. The following table provides information about different deployment types, their corresponding security updates, and OS builds:
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| Deployment type | Security update | OS build | Release date |
This section applies to existing deployments of 2504 running OS build **25398.1611**.
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## Improvements
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For a list of the files that are provided in this update, download the file information for [Cumulative update KB5058384.](https://go.microsoft.com/fwlink/?linkid=2320746).
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# [New deployments](#tab/new-deployments)
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This section applies to new deployments of 2505 running OS build **26100.4061**.
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## Improvements
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This security update includes quality improvements. Here is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change.
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-**[Audio]** Fixed: This update addresses an issue where the audio from your microphone might mute unexpectedly.
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-**[Eye controller]** Fixed: The eye controller app doesn’t launch.
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For more information about security vulnerabilities, see the [Security Update Guide](https://portal.msrc.microsoft.com/security-guidance) and the [May 2025 Security Updates](https://msrc.microsoft.com/update-guide/releaseNote/2025-May).
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## AI components
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The following AI components have been updated with this release:
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| AI Component | Version |
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| -- | -- |
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| Image Search | 1.7.824.0 |
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| Content Extraction | 1.7.824.0 |
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| Semantic Analysis | 1.7.824.0 |
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## Known issues
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Microsoft is not currently aware of any issues with this update.
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## To install
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Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see [Servicing stack updates](/windows/deployment/update/servicing-stack-updates) and [Servicing Stack Updates (SSU): Frequently Asked Questions](https://support.microsoft.com/topic/servicing-stack-updates-ssu-frequently-asked-questions-06b62771-1cb0-368c-09cf-87c4efc4f2fe).
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To install the LCU on your Azure Local instance, see [Update Azure Stack Local instances](../update/about-updates-23h2.md).
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> [!NOTE]
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> This LCU includes an update for AI components in the Microsoft Update Catalog. Even though the AI component updates are included in this LCU, the AI components are only applicable to Windows Copilot+ PCs and won't install on Windows PC or Windows Server.
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## File list
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For a list of the files that are provided in this update, download the file information for [Cumulative update KB5058411.](https://go.microsoft.com/fwlink/?linkid=2320918).
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