CVE-2026-8810— HDD Password leakage vulnerability
Quick assessment
Affected
Insyde Software InsydeH2O, InsydeH2O ARM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Insyde Software InsydeH2O是Insyde Software公司的一款计算机系统固件。 Insyde Software InsydeH2O ARM 05.63.21版本之前的Kernel 5.6版本和05.72.21版本之前的Kernel 5.7版本存在信任管理问题漏洞，该漏洞源于HDD Password的架构设计问题，可能允许攻击者从UEFI变量中检索HDD Password。
Possible ATT&CK Techniques 1 AI
T1552.004 · Private KeysAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Insyde Software | InsydeH2O, InsydeH2O ARM | Kernel 5.6< 05.63.21 |
affected |
Kernel 5.7< 05.72.21 |
affected |
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I. Basic Information for CVE-2026-8810
Vulnerability Information
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Vulnerability Title
HDD Password leakage vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
On ARM platforms, a vulnerability in the architecture design of HDD Password could allow an attacker to retrieve HDD Password from UEFI variables.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Insyde Software InsydeH2O 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Insyde Software InsydeH2O是Insyde Software公司的一款计算机系统固件。 Insyde Software InsydeH2O ARM 05.63.21版本之前的Kernel 5.6版本和05.72.21版本之前的Kernel 5.7版本存在信任管理问题漏洞，该漏洞源于HDD Password的架构设计问题，可能允许攻击者从UEFI变量中检索HDD Password。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Insyde Software | InsydeH2O, InsydeH2O ARM | Kernel 5.6 ~ 05.63.21 | - |
|
II. Public POCs for CVE-2026-8810
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-8810 (1)
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V. Comments for CVE-2026-8810
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