CVE-2026-0421

MEDIUM
2026-01-14 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 14, 2026 - 23:15 nvd
MEDIUM 6.5

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.

Analysis

Secure Boot bypass in iOS allows local privileged users to disable Secure Boot protections even when explicitly configured as enabled in BIOS, affecting systems with Secure Boot set to User Mode. An attacker with high-level system access and user interaction can circumvent boot-time security protections, potentially enabling unsigned code execution. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-0421 vulnerability details – vuln.today
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