Note: This notice only affects environments where Scan Cab is used to check for Microsoft update compliance.
The Scan Cab for the April 2026 Microsoft security updates is currently delayed and has not yet been released. We will communicate an update on Scan Cab availability as more information becomes available. Thank you for your patience.
How this affects your organization:
IT administrators who rely on Scan Cab to check for update compliance can track our communications. Progress on the availability of this month's Scan Cab will be communicated when new information is available.
Additional information:
- Learn more about the Scan Cab process: Announcing a smaller WSUS Scan Cab
- Use Windows Update Agent (WUA) to scan computers for security updates without connecting to Windows Update: Using WUA to Scan for Updates Offline - Win32 apps
- Documentation on the Catalog Site used to import updates and drivers: WSUS and the Catalog Site