certificate rollover

About this tag
Certificate rollover on Windows refers to the planned replacement of Secure Boot certificates that will begin expiring in June 2026. Microsoft has introduced Windows Security indicators to show certificate status (green, yellow, red) and provided guidance for IT administrators to inventory devices, apply firmware updates, and test certificate deployment. The rollover affects UEFI Secure Boot, which validates boot components using cryptographic certificates. Organizations must plan for coordinated firmware and OS updates to avoid boot failures or security risks. Topics include fleet-scale verification, OEM best practices, and the transition to 2023 signing certificates.

  1. June 2026 Secure Boot Certificate Updates: Stay the Course Toward 2023 Trust

    Microsoft is telling Windows users and IT administrators in June 2026 to continue phased Secure Boot certificate deployments using Windows updates, OEM firmware, validation tooling, and staged rollout practices as the ecosystem moves from aging 2011 certificates toward newer 2023 Secure Boot...
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    • Replies: 5
    • Forum: Windows News

  2. June 24 2026 Secure Boot Certificate Expiration: What Windows Users Must Know

    Microsoft’s first major Secure Boot certificate deadline arrived on June 24, 2026, as the Microsoft Corporation KEK CA 2011 certificate reached expiration and began the PC ecosystem’s transition to a newer 2023 trust chain across Windows devices. The important part is not that PCs suddenly stop...
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    • Forum: Windows News

  3. Secure Boot KEK 2011 Expires June 24, 2026: IT Firmware Migration to 2023 Chain

    On June 24, 2026, Microsoft’s original Secure Boot Key Exchange Key from 2011 reaches its expiration date, forcing Windows PCs, servers, virtual machines, and dual-boot systems to move onto Microsoft’s newer 2023 Secure Boot certificate chain. The deadline will not brick ordinary Windows...
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    • azure linux vms bitlocker certificate rollover enterprise it it security linux shim secure boot uefi certificates uefi firmware windows 11 windows 11 security windows security windows update
    • Replies: 5
    • Forum: Windows News

  4. Secure Boot Certificate Rollover Playbook: June 2026 Readiness Steps

    Organizations preparing for the Secure Boot certificate rollover that begins in June 2026 should first inventory Secure Boot status, apply OEM firmware updates where needed, test Microsoft’s certificate deployment path, and treat older hardware and virtualized systems as validation risks rather...
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    • certificate rollover endpoint management firmware updates secure boot
    • Replies: 0
    • Forum: Windows News

  5. Windows Security Adds Secure Boot Certificate Status (Green, Yellow, Red)

    Microsoft has done something small on the surface but important in practice: it is giving Windows users a clearer heads-up about the Secure Boot certificate transition that has been looming since the company first warned about it in 2024. The new Windows Security indicators are meant to tell...
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    • certificate rollover it admin it admin alerts secure boot secure boot alerts secure boot certificates uefi certificates uefi firmware windows 10 esu windows 11 windows 11 security windows security windows security app windows update
    • Replies: 5
    • Forum: Windows News

  6. Plan Secure Boot Readiness at Scale with Microsoft’s E2E Automation Guide

    Microsoft’s Sample Secure Boot E2E Automation guide gives enterprise teams a practical, script-driven playbook to detect, collect, and report Secure Boot certificate readiness across Windows fleets — but it also exposes operational and security trade‑offs that IT must plan for before rolling...
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    • certificate rollover e2e automation group policy secure boot
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    • Forum: Windows News

  7. Fleet Scale Secure Boot Certificate Rotation: Verification and Enrollment for IT

    IT administrators now have practical, fleet-scale ways to check whether Windows devices are carrying the updated Secure Boot certificate chain and whether they’re ready to accept the upcoming Secure Boot updates — a crucial capability as Microsoft and OEMs rotate the platform’s cryptographic...
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    • Replies: 14
    • Forum: Windows News

  8. Secure Boot Certificates Expire June 2026—Plan for Windows 11 Certificate Rotation

    Microsoft’s September preview update pushed an urgent reminder to IT teams and advanced users: Secure Boot certificates used broadly across Windows devices are scheduled to start expiring in June 2026, and without coordinated firmware and OS updates some machines may be unable to boot securely...
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    • certificate expiration certificate rollover certificate rotation firmware it management release preview secure boot uefi windows 11 windows update
    • Replies: 3
    • Forum: Windows News

  9. Plan Your Secure Boot Certificate Rollovers as 2011 CAs Expire (2026)

    Microsoft has warned that several of the Secure Boot certificates baked into Windows devices a decade ago will begin to expire in mid‑2026, forcing a coordinated certificate rollover that every PC owner and IT team should plan for now to avoid loss of pre‑boot updates, compatibility problems...
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    • Forum: Windows News

  10. Secure Boot 2023 CA Update: Windows UEFI Certificates Rollout Explained

    Microsoft’s Secure Boot update FAQ makes clear that a coordinated, multi-step transition is now live: Windows will roll new 2023 signing certificates into UEFI variables and update the Windows boot manager to preserve Secure Boot protection ahead of the 2011 CA expirations, but the rollout...
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    • Replies: 3
    • Forum: Windows News

  11. Secure Boot Certificate Rollover 2026: Plan Now to Safeguard UEFI Boot

    Microsoft has warned that the cryptographic roots underpinning UEFI Secure Boot on Windows devices will begin to expire in June 2026, forcing a global certificate update that every IT team and many end users must plan for now to avoid boot-level insecurities and loss of updateability. Background...
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    • Forum: Windows News

  12. Microsoft Secure Boot Key Guidance: KEK CA Rollover and OEM Best Practices

    Microsoft’s new guidance for Secure Boot key creation and management sharpens the playbook OEMs and ODMs must follow to keep Windows devices secure at scale, and it arrives with concrete, time-sensitive actions: recommended key types and sizes, explicit lifecycle controls, and an urgent rolling...
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    • Forum: Windows News

  13. Windows 11 August 2025 Patch Tuesday: KB5063878 & KB5063875 Deep Dive

    Windows 11 August 12, 2025 — KB5063878 (24H2) & KB5063875 (22H2 / 23H2) An in‑depth Breakdown for WindowsForum.com (Markdown) Short version (TL;DR) Microsoft released the August 12, 2025 Patch Tuesday cumulative updates for Windows 11. The 24H2 servicing branch is updated as KB5063878 (OS Build...
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  14. KB5063878 (Aug 2025): Windows 11 24H2 SSU+LCU and Secure Boot Rollovers

    Microsoft’s August cumulative update for Windows 11, version 24H2 — KB5063878 (OS Build 26100.4946) — ships as a combined Servicing Stack Update (SSU) plus Latest Cumulative Update (LCU), bringing routine security and quality fixes while renewing attention on an industry-wide operational...
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    • 24h2 certificate management certificate rollover copilot firmware kb5063878 lcu oem firmware offline deployment patch management pk kek dbx sccm secure boot ssu trusted boot uefi windows 11 windows update wsus
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  15. Windows 11 Aug 2025 KB5063875: LCU+SSU for 22621/22631 with Copilot fix

    Microsoft released the August 12, 2025 cumulative update for Windows 11 servicing branches that use OS builds 22621 and 22631 — published as KB5063875, updating systems to OS Build 22621.5768 / 22631.5768 — a standard Patch Tuesday security rollup that Microsoft bundles with a servicing-stack...
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    • Forum: Windows News

  16. Secure Boot Certificate Expiration 2026: Critical Prep for Windows Ecosystem Security

    When preparing your organization's Windows ecosystem for a pivotal infrastructure update, few developments in recent years compare to the anticipated expiration of Secure Boot certificates in June 2026. Behind every modern Windows startup—whether it’s on an enterprise desktop, a home PC, or a...
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    • bios firmware boot integrity certificate rollover cryptography cybersecurity device management enterprise security firmware os security secure boot secure boot certificates security system administration threat mitigation uefi vulnerability windows security windows update
    • Replies: 0
    • Forum: Windows News