Vulnerability · Published Jan 14, 2026 · Assigned by lenovo
CVE-2026-0421
Medium 6.5
In plain English
A medium-severity security flaw in ThinkPad L13 Gen 6 2 in 1 BIOS from Lenovo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 94.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | ThinkPad L13 Gen 6 BIOS | 0 – before 1.10 |
| Lenovo | ThinkPad L13 Gen 6 2 in 1 BIOS | 0 – before 1.10 |
| Lenovo | ThinkPad L14 Gen 6 BIOS | 0 – before 1.06 |
| Lenovo | ThinkPad L16 Gen 2 BIOS | 0 – before 1.06 |
Weakness: CWE-252 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H