CVE-2026-6485

High

Description

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

SeverityHigh
CVSS8.2
Exploit probability—
ProductInsydeH2O
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-489CWE-489

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Insyde Software InsydeH2OSee in the Solution—

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CVE-2026-6485 · InsydeH2O · Dark Radar