CVE-2026-6485
UEFI BIOS embedded Shell can be used to bypass Secure Boot
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
| CWE | CWE-489 |
| Vendor | insyde software |
| Product | insydeh2o |
| Published | Sep 9, 2026 |
| Last Updated | Sep 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Insyde Software / InsydeH2O
See in the Solution