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TI-2026-00283 Aliases CVE-2026-0421GHSA-5m9v-m547-62qf

A potential vulnerability was reported in the BIOS of L13 Gen 6, L13 Gen 6 2-in-1, L14…

Priority LOW 32CWE-252Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Fix Fixed ThinkPad L13 Gen 6 BIOS (Lenovo): 1.10ThinkPad L13 Gen 6 2 in 1 BIOS (Lenovo): 1.10+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LenovoThinkPad L13 Gen 6 BIOSbefore 1.101.10Patch availableCNA
LenovoThinkPad L13 Gen 6 2 in 1 BIOSbefore 1.101.10Patch availableCNA
LenovoThinkPad L14 Gen 6 BIOSbefore 1.061.06Patch availableCNA
LenovoThinkPad L16 Gen 2 BIOSbefore 1.061.06Patch availableCNA
  • ThinkPad L13 Gen 6 BIOS VendorLenovo Affected before 1.10 Fixed in 1.10 Patch available CNA
  • ThinkPad L13 Gen 6 2 in 1 BIOS VendorLenovo Affected before 1.10 Fixed in 1.10 Patch available CNA
  • ThinkPad L14 Gen 6 BIOS VendorLenovo Affected before 1.06 Fixed in 1.06 Patch available CNA
  • ThinkPad L16 Gen 2 BIOS VendorLenovo Affected before 1.06 Fixed in 1.06 Patch available CNA

Remediation

  • Fix · CNA ThinkPad L13 Gen 6 BIOS (Lenovo) Fixed in 1.10
  • Fix · CNA ThinkPad L13 Gen 6 2 in 1 BIOS (Lenovo) Fixed in 1.10
  • Fix · CNA ThinkPad L14 Gen 6 BIOS (Lenovo) Fixed in 1.06
  • Fix · CNA ThinkPad L16 Gen 2 BIOS (Lenovo) Fixed in 1.06

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-0421
  2. 2026-10-03 Alias added: GHSA-5m9v-m547-62qf

References

  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07516 Insecure Platform Key (PK) used in UEFI system firmware signature CVSS 3.1MEDIUM 6.4
  • TI-2017-13070 OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory… CVSS 3.0CRITICAL 9.8
  • TI-2017-02875 OS command injection in Lenovo Service Framework application CVSS 3.0CRITICAL 9.8
  • TI-2013-01192 Untrusted search path vulnerability in Lenovo Thinkpad Bluetooth with Enhanced Data Rate… CVSS 2.0HIGH 9.3
  • TI-2026-53163 Hard-coded credentials in Lenovo Health Application CVSS 4.0CRITICAL 9.3
See all 534 →

Sources