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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-0421 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Lenovo Group Ltd.
CVSS-B 7.0 HIGH
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.lenovo.com/us/en/product_security/LEN-210688 Lenovo Group Ltd.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-252 Unchecked Return Value Lenovo Group Ltd.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-0421
NVD Published Date:
01/14/2026
NVD Last Modified:
01/16/2026
Source:
Lenovo Group Ltd.