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CVE-2026-0421

Lenovo BIOS Vulnerability Allowing Secure Boot Disablement

A potential vulnerability was reported in the BIOS of L13 Gen 6, L13 Gen 6 2-in-1, L14 Gen 6, and L16 Gen 2 ThinkPads which could result in Secure Boot being disabled even when configured as “On” in the BIOS setup menu. This issue only affects systems where Secure Boot is set to User Mode.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Lenovo
Products
Thinkpad L13 Gen 6 2 In 1 Bios Thinkpad L13 Gen 6 Bios Thinkpad L14 Gen 6 Bios and 1 more