check before: 2026-04-14
Product:
Windows
Platform:
Online, World tenant
Status:
Change type:
Admin impact
Links:
Details:
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.
Change Category:
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Scope:
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Release Phase:
Created:
2026-04-15
updated:
2026-04-15
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Delayed Security Updates Compliance
Without the Scan Cab, IT administrators cannot verify the compliance of systems with the latest Microsoft security updates, potentially leaving systems vulnerable to security threats.
- roles: IT Administrators, Security Officers
- references: https://learn.microsoft.com/windows/win32/wua_sdk/using-wua-to-scan-for-updates-offline, https://learn.microsoft.com/windows-server/administration/windows-server-update-services/manage/wsus-and-the-catalog-site
Increased User Experience Issues
Users may experience issues due to unpatched vulnerabilities, leading to system instability or security breaches, which can affect productivity and trust in IT services.
- roles: End Users, IT Support Staff
- references: https://techcommunity.microsoft.com/t5/windows-it-pro-blog/announcing-a-smaller-wsus-scan-cab/ba-p/2928256?msclkid=256145ccd0c011ec9266b53af8d0aca1, https://learn.microsoft.com/windows-server/administration/windows-server-update-services/manage/wsus-and-the-catalog-site
Configutation Options**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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