Note: This notice only affects environments where Scan Cab is used to check for Microsoft update compliance.
Message ID: MC1506286
Published: Oct 13, 2026
Service: Windows
Tag: Admin impact
The Scan Cab for the October 2026 Microsoft security updates is currently delayed and has not yet been released.
Rollout schedule
The Scan Cab for the October 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.
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