Expiring Microsoft Secure Boot keys will not brick unmigrated systems on June 27, 2026. However, they will silently freeze DB/DBX updates and lock affected Windows and Linux fleets out of future boot”‘level protections. On June 27, 2026, the Microsoft Corporation KEK CA 2011 used to authorize DB/DBX updates via Windows Update reaches its end of […] The post Expiring Microsoft Secure Boot Keys May Block DBX Updates on Legacy Devices appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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