Critical 16-Year-Old UEFI Flaw Can Run Code Before Secure Boot on Network-Booting Servers

MediumThe Hacker News · info@thehackernews.com (The Hacker News)·

At a glance

Severity
Medium
Used in attacks
No flaws named
Reported by
1 outlet

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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Coverage

One outlet has carried this so far.

  1. The Hacker News ↗Established SourceFirst reported

    2026-10-28 11:50 UTC

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