CVE-2026-6485
UEFI BIOS embedded Shell can be used to bypass Secure Boot
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
UEFI BIOS embedded Shell can be used to bypass Secure Boot
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
CVE-2026-6485- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-489
- Updated
- 2026-11-02
EUVDEUVD-2026-74613
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
EUVD-2026-74613- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j5ph-5jrp-hf3x
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
GHSA-j5ph-5jrp-hf3x- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-489
- Updated
- 2026-11-02
NVD
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
CVE-2026-6485- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-489
- Updated
- 2026-11-02
OSVAZL-100017 No score
CVE-2026-6485 affecting package qemu 10.1.0-1
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
AZL-100017- Updated
- 2026-11-02
OSVAZL-99990 No score
CVE-2026-6485 affecting package edk2 20240524git3e722403cd16-20
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.
- Record
AZL-99990- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-6485 is a high vulnerability (CVSS 8.2) in Insyde Software Insydeh2o, published September 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.