CVE-2026-6485 | BDVDB-2026-370504 Detail

Insyde SoftwareInsydeH2O

Description#

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

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

No public exploit known

8.2 High

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.5.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

8.2 High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).