{"api_version":"1","generated_at":"2026-09-23T17:50:01+00:00","cve":"CVE-2026-9805","urls":{"html":"https://cve.report/CVE-2026-9805","api":"https://cve.report/api/cve/CVE-2026-9805.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-9805","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-9805"},"summary":{"title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","state":"PUBLISHED","assigner":"Insyde","published_at":"2026-08-26 05:18:28","updated_at":"2026-08-31 19:27:23"},"problem_types":["CWE-787","CWE-787 CWE-787 Out-of-bounds write"],"metrics":[{"version":"3.1","source":"8338d8cb-57f7-4252-abc0-96fd13e98d21","type":"Secondary","score":"2.7","severity":"LOW","vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","baseScore":2.7,"baseSeverity":"LOW","attackVector":"PHYSICAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"2.7","severity":"LOW","vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","data":{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"LOW","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","version":"3.1"}}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2026006/","name":"https://www.insyde.com/security-pledge/sa-2026006/","refsource":"8338d8cb-57f7-4252-abc0-96fd13e98d21","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9805","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9805","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Insyde Software","product":"InsydeH2O","version":"affected See in the Solution","platforms":["x86"]}],"timeline":[],"solutions":[{"source":"CNA","title":"","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","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"9805","cve":"CVE-2026-9805","epss":"0.001170000","percentile":"0.018340000","score_date":"2026-09-01","updated_at":"2026-09-02 00:10:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-9805","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-26T15:29:23.290859Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-26T15:29:45.529Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","modules":["FMTSWriteUseIntelLib"],"platforms":["x86"],"product":"InsydeH2O","vendor":"Insyde Software","versions":[{"status":"affected","version":"See in the Solution"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow."}],"value":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"LOW","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-26T01:00:25.855Z","orgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","shortName":"Insyde"},"references":[{"url":"https://www.insyde.com/security-pledge/sa-2026006/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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>"}],"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"}],"source":{"discovery":"UNKNOWN"},"title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow","x_generator":{"engine":"Vulnogram 1.0.5"}}},"cveMetadata":{"assignerOrgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","assignerShortName":"Insyde","cveId":"CVE-2026-9805","datePublished":"2026-08-26T01:00:25.855Z","dateReserved":"2026-05-28T06:24:59.358Z","dateUpdated":"2026-08-26T15:29:45.529Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-26 05:18:28","lastModifiedDate":"2026-08-31 19:27:23","problem_types":["CWE-787","CWE-787 CWE-787 Out-of-bounds write"],"metrics":{"cvssMetricV31":[{"source":"8338d8cb-57f7-4252-abc0-96fd13e98d21","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","baseScore":2.7,"baseSeverity":"LOW","attackVector":"PHYSICAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":0.1,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-26T15:29:23.290859Z","id":"CVE-2026-9805","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"9805","Ordinal":"1","Title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow","CVE":"CVE-2026-9805","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"9805","Ordinal":"1","NoteData":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","Type":"Description","Title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow"}]}}}