Insyde H2O up to 05.63.20/05.72.20 HDD Password information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k1.72-

Summaryinfo

A vulnerability has been found in Insyde H2O up to 05.63.20/05.72.20 and classified as problematic. This affects an unknown function of the component HDD Password. This manipulation causes information disclosure. This vulnerability appears as CVE-2026-8810. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Insyde H2O up to 05.63.20/05.72.20. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component HDD Password. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

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

It is possible to read the advisory at insyde.com. This vulnerability is known as CVE-2026-8810 since 05/18/2026. The exploitation appears to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 05.63.21 or 05.72.21 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-62294). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.9
CNA Vector (Insyde): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: H2O 05.63.21/05.72.21

Timelineinfo

05/18/2026 CVE reserved
08/19/2026 +93 days Advisory disclosed
08/19/2026 +0 days VulDB entry created
08/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2026-8810 (🔒)
GCVE (CVE): GCVE-0-2026-8810
GCVE (VulDB): GCVE-100-392983
EUVD: 🔒

Entryinfo

Created: 08/19/2026 08:46
Updated: 08/19/2026 09:22
Changes: 08/19/2026 08:46 (63), 08/19/2026 09:22 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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