Note: This notice only affects environments where Scan Cab is used to check for Microsoft update compliance.
What and why:
The Scan Cab for the September 2026 Microsoft security updates is currently delayed and has not yet been released.
Rollout schedule:
We expect to release it as soon as possible and will provide an update as more information becomes available. Thank you for your patience.
Who is affected:
IT administrators who rely on Scan Cab to check for update compliance can monitor our communications for updates.
What will happen:
Updates on the availability of this month's Scan Cab will be communicated as new information becomes 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