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It's time for our third Ask Microsoft Anything (AMA) about updating Secure Boot certificates on your Windows devices before they expire in June of 2026. If you've already bookmarked Secure Boot playb...
Pearl-Angeles
Updated Mar 11, 2026
AMA
Bryant_Kintner's avatar
Bryant_Kintner
Copper Contributor
Mar 12, 2026

What happens in June when the current Secure Boot certificates expire? Will devices with Secure Boot still boot if their EFI partition is signed with the 2011 certificate? If so, how long past June will they continue to boot, and will they eventually stop?

  • Ashis_Chatterjee's avatar
    Ashis_Chatterjee
    Icon for Microsoft rankMicrosoft
    Mar 12, 2026

    Yes, it will continue to boot. There is no specific date when it will stop booting.