Re: Windows Secure Boot certificate expiration (June 2026)

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On Tue, Jul 8, 2025, at 8:44 PM, Mateus Rodrigues Costa wrote:
> I guess that users with devices that actively receive BIOS updates
> should receive a update with the new certificates included, but it's
> unknown what will happen for devices that are basically out of
> support.

I have a Lenovo Thinkpad, just a few years old I suppose. It has received firmware updates as recently as end of last year and it has 

[    1.072253] integrity: Loaded X.509 cert 'Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4'

But the boot scroll doesn't say the expiration date. This system does have UEFI Secure Boot enabled and it booted today.

I see a newer firmware update May 12 this year, I'll apply that and see if the certificate changes.


-- 
Chris Murphy
-- 
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