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An updated version of the May 2024 Scan Cab is available
IMPORTANT: this notice only affects environments where:
- This notice only affects environments where Scan Cab is used to check for update compliance.
- The May 2024 Scan Cab (released May 14, 2024 at 10:00 AM PT) was deployed before 10:00 AM PT on May 29, 2024.
An updated version of the May 2024 Scan Cab was made available at 10:00 AM PT on May 29, 2024. This Scan Cab includes new updates for the following Windows versions:
- Windows 10 Enterprise LTSC 2019
- Windows 10 IoT Enterprise LTSC 2019
- Windows 10 IoT Core 2019 LTSC
- Windows Server 2019
This new Scan Cab replaces the Scan Cab released on May 14, 2024 at 10:00 AM PT.
The new Scan Cab also includes additional .NET updates which address an issue wherein some binaries of the .NET installers lacked a Microsoft Authenticode signature. This was resulting in installations being blocked from running when devices were under certain Code Integrity policy settings. See the additional information section of this message for details.
How this affects your organization:
IT administrators who downloaded the Scan Cab between 10:00 AM PT on May 14, 2024, and 10:00 AM PT on May 29, 2024 should re-acquire and re-deploy their Scan Cab whenever possible, to ensure they have the updated .NET and Windows updates.
No action is required on environments where Scan Cab is not employed. However, please note that there might be non-Microsoft applications which utilize Scan Cab. Review the documentation for any software and update deployment tools which might be in use for your organization, to understand if this is applicable in your environment.
What you need to do to prepare:
Additional information:
Administrators can re-deploy the updated Scan Cab via their usual processes. For detailed guidance, see the Additional information section below.
- Updated Scan Cab: Download the new Scan Cab here
- Announcing a smaller WSUS Scan Cab – Microsoft Tech Community: Learn more about WSUS and the Scan Cab process
- Using WUA to Scan for Updates Offline – Win32 apps | Microsoft Docs: Windows Update Agent (WUA) can be used to scan computers for security updates without connecting to Windows Update
- WSUS and the Catalog Site | Microsoft Docs: The Catalog Site used by WSUS to import updates and drivers
- KB5039843: .NET 6.0 Update – May 28, 2024
- KB5039844: .NET 7.0 Update – May 28, 2024
- KB5039845: .NET 8.0 Update – May 28 2024
Message ID: MC796763
