What is CVE-2026-6485?

CVE-2026-6485 is a high-severity vulnerability in Insyde Software Insydeh2o, classified under Active Debug Code. CVSS score: 8.2/10. Published 2026-09-09.

How severe is CVE-2026-6485?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Insyde Software Insydeh2o

CVE-2026-6485

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

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Insyde Software Insydeh2o — versions See in the Solution

Weakness classification (CWE)

CWE-489 — Active Debug Code

References

8338d8cb-57f7-4252-abc0-96fd13e98d21

Frequently asked questions

What is CVE-2026-6485?: CVE-2026-6485 is a high-severity vulnerability in Insyde Software Insydeh2o, classified under Active Debug Code. CVSS score: 8.2/10. Published 2026-09-09.
How severe is CVE-2026-6485?: High severity. CVSS v3 base score is 8.2 out of 10.