<ul><li>Microsoft’s Security Copilot has uncovered vulnerabilities in open-source bootloaders including GRUB2, U-Boot, and Barebox.</li><li>The vulnerabilities could allow attackers to execute arbitrary code, potentially bypassing security measures like Secure Boot.</li><li>The flaws were primarily found in the filesystem parsing components of the bootloaders.</li><li>Microsoft has communicated the vulnerabilities and patches have been issued to fix the issues.</li></ul>

Microsoft Security Copilot Uncovers New Vulnerabilities in Open-Source Bootloaders

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