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    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
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    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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    • Forum: Windows News
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    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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    • 22621 22631 backup and rollback certificate rollover copilot copilot hardware key cve mapping driver compatibility enterprise deployment kb5063875 lcu patch tuesday rollout strategy secure boot security update servicing stack update ssu troubleshooting windows 11 windows update wsus
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    • Forum: Windows News
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    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 updates it security os security secure boot secure boot certificates secure boot trust system administration system security threat prevention uefi vulnerabilities windows security windows update
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    • Forum: Windows News
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