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MC1401337 — Secure Boot certificate updates for Linux on Azure virtual machines

MC1401337WindowspreventOrFixIssueUpdated: 23 June 2026

What and whyMicrosoft has published new guidance for managing Secure Boot certificate updates for Linux on Azure virtual machines, including Trusted Launch and Confidential VMs with Secure Boot enabled. These updates help maintain trusted boot integrity and help ensure continued access to platform updates and functionality. Rollout scheduleThis new guidance is available now. Impact on your organizationLinux-based Azure virtual machines with Secure Boot enabled might encounter startup validation...

Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).