CVE-2026-0421

MEDIUM

ThinkPad - Privilege Escalation

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 6.5
EPSS 0.0002
EPSS Percentile 3.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-252
Status published
Products (4)
Lenovo/ThinkPad L13 Gen 6 2 in 1 BIOS < 1.10
Lenovo/ThinkPad L13 Gen 6 BIOS < 1.10
Lenovo/ThinkPad L14 Gen 6 BIOS < 1.06
Lenovo/ThinkPad L16 Gen 2 BIOS < 1.06
Published Jan 14, 2026
Tracked Since Feb 18, 2026