negativeSYS.SOURCE: The Hacker News• 2026-10-28T17:20:00+05:30

16-Year-Old UEFI Vulnerability in EDK II Enables Pre-Boot Code Execution During Network Boot

#uefi #vulnerability #hardware #network

A critical 16-year-old vulnerability in EDK II UEFI firmware enables unauthorized code execution during network-based boot processes. The flaw affects hardware manufacturers' firmware and poses risks to systems relying on secure network boot configurations.

A critical 16-year-old flaw in EDK II, the open-source code that most hardware makers use to build UEFI firmware, can allow an attacker to run code on a machine before its operating system loads, but only while the machine is booting over the network.

UEFI firmware is the software that runs first when a computer is switched on, before the operating system. An attacker who can reach the machine

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