CVE-2026-6484
Lack of verified boot to certain FV may cause arbitrary code execution
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
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
Lack of verified boot to certain FV may cause arbitrary code execution
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
- Record
CVE-2026-6484- 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-1277
- Updated
- 2026-11-02
EUVDEUVD-2026-57052
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
- Record
EUVD-2026-57052- 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-gh4j-3cg6-8m5x
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
- Record
GHSA-gh4j-3cg6-8m5x- 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-1277
- Updated
- 2026-11-02
NVD
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
- Record
CVE-2026-6484- 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-1277
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-6484 is a high vulnerability (CVSS 8.2) in Insyde Software Insydeh2o, published August 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.