VulnerabilityAwaiting Analysis

CVE-2026-6485

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

HIGH 8.2EPSS 0.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1: 8.2 HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.12% probability · 2th percentile
CISA KEV: Not listed
Weakness: CWE-489
Source: 8338d8cb-57f7-4252-abc0-96fd13e98d21

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.