Vulnerability in Insyde Software Insydeh2o, Insydeh2o Arm

CVE-2026-8810

On ARM platforms, a vulnerability in the architecture design of HDD Password could allow an attacker to retrieve HDD Password from UEFI variables.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-8810: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8810?
CVE-2026-8810 is a medium-severity vulnerability in Insyde Software Insydeh2o, Insydeh2o Arm, classified under Insufficiently Protected Credentials. CVSS score: 6.9/10. Published 2026-08-19.
How severe is CVE-2026-8810?
Medium severity. CVSS v3 base score is 6.9 out of 10.