HDD Password leakage vulnerability

Answer in brief

CVE-2026-8810 records a Unknown severity vulnerability in HDD Password leakage vulnerability. The current sources do not mark it as known exploited. The current feed maps Insyde Software/InsydeH2O, InsydeH2O ARM (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2026Updated Aug 19, 2026Source checked Aug 19, 2026First seen by HOL Aug 19, 2026Material review Aug 19, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Insyde Software/InsydeH2O, InsydeH2O ARM (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Insyde Software/InsydeH2O, InsydeH2O ARMgeneric	>=Kernel 5.6 <05.63.21 \|\| >=Kernel 5.7 <05.72.21	05.63.21, 05.72.21

Recommended response

Check inventory. Check lockfiles and deployed manifests for Insyde Software/InsydeH2O, InsydeH2O ARM.
Review the reported fix. Update Insyde Software/InsydeH2O, InsydeH2O ARM to 05.63.21 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 19, 2026

Sources and claim methodology

Source referenceinsyde.com

Upstream source description

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

Quoted source text, attributed separately from HOL analysis.