CVE-2026-6484

Lack of verified boot to certain FV may cause arbitrary code execution

Published Aug 12, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

Remediation

Vendor Solution

Intel Mobile Platforms: Panther Lake: Unaffected Lunar Lake: Unaffected Aarow Lake H/U: Version 05.56.17.0022 Aarow Lake S/HX: Version 05.56.17.0037 Rapter Lake: Version 05.47.24.0058 Twin Lake: Version 05.44.45.0029   Intel Server/Embedded platforms: Whitley (CLX/CPX/ICX): Trunk CedarIsland (CPX): Trunk Eagle Stream: Unaffected Birch Stream: Unaffected Mehlow/Mehlow-R(CFL-S): Unaffected Tatlow (RKS): Unaffected Jacobsville(SNR): Trunk Idaville: Trunk Kaseyville: Unaffected Whiskey Lake: Trunk Come tLake-S: Unaffected Tiger Lake UP3/H: Unaffected Alder Lake: Version 05.47.24.2057 Raptor Lake: Version 05.47.24.0057 Meteor Lake – U/H ARL-H/U: Version 05.56.07.0022 Meteor Lake – PS ARL-H/U: Version 05.56.07.0022 Arrow Lake – S ARL-S/HX: Version 05.55.45.0036 Arrow Lake – U/H ARL-H/U: Version 05.56.07.0022 Elkhart Lake: Version 05.48.17.0030 Alder Lake N: Trunk Amston Lake: Trunk Twin Lake: Trunk

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Insyde
Insyde insydeh2o
Vendors & Products Insyde
Insyde insydeh2o
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
Title Lack of verified boot to certain FV may cause arbitrary code execution
Weaknesses CWE-1277
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Insyde
Published
Updated
Aug 12, 2026, 12:39 PM
Reserved
Apr 17, 2026, 6:07 AM
Status
Awaiting Analysis
Published
Aug 12, 2026, 1:17 AM
Modified
Oct 24, 2026, 4:10 PM