CVE-2026-0421

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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.6 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.lenovo.com/us/en/product_security/LEN-210688

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Una posible vulnerabilidad fue reportada en la BIOS de los ThinkPads L13 Gen 6, L13 Gen 6 2-en-1, L14 Gen 6 y L16 Gen 2, lo que podría resultar en que Secure Boot se desactive incluso cuando está configurado como 'On' en el menú de configuración de la BIOS. Este problema solo afecta a los sistemas donde Secure Boot está configurado en Modo Usuario.

14 Jan 2026, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-14 23:15

Updated : 2026-04-15 00:35

NVD link : CVE-2026-0421

Mitre link : CVE-2026-0421

CVE.ORG link : CVE-2026-0421

JSON object : View

Products Affected

No product.

CWE

CWE-252

Unchecked Return Value

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