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EDKII
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- 1EDKII vulnerability found to bypass UEFI Secure Boot in PXE Boot▼EDKII CVE enables UEFI Secure Boot bypass in almost every use case of PXE Boot
A newly disclosed vulnerability in EDKII, the open-source implementation of UEFI used widely across PC firmware, allows attackers to bypass UEFI Secure Boot in nearly every scenario where network-based PXE Boot is used to start a machine. The flaw, catalogued as CVE-2026-97631 and listed in the US National Vulnerability Database, is drawing attention from security researchers and system administrators concerned that network boot deployments may silently defeat Secure Boot protections.