CVE-2026-6485 - Vulnerability Details - OpenCVE

UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Insyde Software	Insydeh2o

No data.

No data.

References

Link	Providers
https://www.insyde.com/security-pledge/sa-2026004/

History

Thu, 10 Sep 2026 22:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Insyde Software Insyde Software insydeh2o
Vendors & Products		Insyde Software Insyde Software insydeh2o

Thu, 10 Sep 2026 15:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 09 Sep 2026 04:00:00 +0000

Type	Values Removed	Values Added
Description		UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
Title		UEFI BIOS embedded Shell can be used to bypass Secure Boot
Weaknesses		CWE-489
References		https://www.insyde.com/security-pledge/sa-2026004/
Metrics		cvssV3_1 `{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Insyde

Published: 2026-09-09T03:54:01.460Z

Updated: 2026-09-10T14:30:20.224Z

Reserved: 2026-04-17T06:07:42.556Z

Link: CVE-2026-6485

Vulnrichment

Updated: 2026-09-10T14:30:15.507Z

NVD

Status : Awaiting Analysis

Published: 2026-09-09T04:19:36.437

Modified: 2026-09-10T15:17:39.427

Link: CVE-2026-6485

Redhat

No data.

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