{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-9805",
        "assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
        "state": "PUBLISHED",
        "assignerShortName": "Insyde",
        "dateReserved": "2026-05-28T06:24:59.358Z",
        "datePublished": "2026-08-26T01:00:25.855Z",
        "dateUpdated": "2026-08-26T01:00:25.855Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
                "shortName": "Insyde",
                "dateUpdated": "2026-08-26T01:00:25.855Z"
            },
            "title": "FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-787",
                            "description": "CWE-787 Out-of-bounds write",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Insyde Software",
                    "product": "InsydeH2O",
                    "platforms": [
                        "x86"
                    ],
                    "modules": [
                        "FMTSWriteUseIntelLib"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "See in the Solution"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.insyde.com/security-pledge/sa-2026006/"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "PHYSICAL",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "LOW",
                        "baseSeverity": "LOW",
                        "baseScore": 2.7,
                        "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Intel Mobile platforms:\n\n\n\nWildCat Lake: Version 05.72.18.0010\n\nPanther Lake: Version 05.72.17.0032\n\nLunar Lake: Version 05.62.29.0038\n\nAarow Lake-H/U: Version 05.56.23.0022\n\nAarow Lake-S/HX: Version 05.56.23.0037\n\nRaptor Lake: Version Tag 05.47.24.0058 \n\nTwin Lake: Version Tag 05.44.45.0029\n\n\nIntel Server/Embedded platforms:\n\n\n\nMehlow/Mehlow-R(CFL-S): Trunk\n\nTatlow (RKS): Trunk\n\nWhiskeyLake: Trunk\n\nCometLake-S: Trunk\n\nTigerLake UP3/H: Trunk\n\nAlderLake: Trunk\n\nRaptor Lake: Trunk\n\nMeteor Lake-U/H: Trunk\n\nMeteor Lake-PS: Trunk\n\nArrow Lake-S: Trunk\n\nArrow Lake-U/H: Trunk\n\nElkhartLake: Trunk\n\nAlder Lake N: Trunk\n\nAmstonLake: Trunk\n\nTwinLake: Trunk",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Intel Mobile platforms:\n<br>\n<br>WildCat Lake: Version 05.72.18.0010\n<br>Panther Lake: Version 05.72.17.0032\n<br>Lunar Lake: Version 05.62.29.0038\n<br>Aarow Lake-H/U: Version 05.56.23.0022\n<br>Aarow Lake-S/HX: Version 05.56.23.0037\n<br>Raptor Lake: Version Tag 05.47.24.0058 \n<br>Twin Lake: Version Tag 05.44.45.0029<div><br></div>Intel Server/Embedded platforms:\n<br>\n<br>Mehlow/Mehlow-R(CFL-S): Trunk\n<br>Tatlow (RKS): Trunk\n<br>WhiskeyLake: Trunk\n<br>CometLake-S: Trunk\n<br>TigerLake UP3/H: Trunk\n<br>AlderLake: Trunk\n<br>Raptor Lake: Trunk\n<br>Meteor Lake-U/H: Trunk\n<br>Meteor Lake-PS: Trunk\n<br>Arrow Lake-S: Trunk\n<br>Arrow Lake-U/H: Trunk\n<br>ElkhartLake: Trunk\n<br>Alder Lake N: Trunk\n<br>AmstonLake: Trunk\n<br>TwinLake: Trunk\n<br><div>&nbsp;<br></div>"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
        }
    }
}