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CVE-2026-97631

UEFI PXE Flaw CVE-2026-97631: Servers at Risk Before Secure Boot

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Original editorial illustration of a dark server hall at night: rows of rack cabinets receding into shadow, one cabinet glowing amber at its base with a thin stream of light spilling across the floor toward a neighbouring cabinet

UEFI PXE Flaw CVE-2026-97631: Servers at Risk Before Secure Boot In brief A 16-year-old buffer overflow in EDK II’s PXE driver lets a local-network attacker run code before Secure Boot — and no firmware update with the fix exists yet. The flaw, CVE-2026-97631, scores 9.5 out of 10 and sits in the firmware that boots … Read more