Microsoft has released the cumulative security update for September 2026 for Windows 11 version 26H1. This update expands the range of systems that can automatically receive new Secure Boot certificates. KB5124012, released on September 8, brings devices to OS Build 28000.2954. It includes enhanced, high-confidence device-targeting data to improve certificate deployment coverage across supported PCs […] The post Windows 11 26H1 Security Update Expands Secure Boot Certificate Protection appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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