CVE-2026-126256

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126256", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-11-10T20:10:03.791Z", "datePublished": "2026-11-11T21:31:52.364Z", "dateUpdated": "2026-11-13T04:58:44.642Z"}, "containers": {"cna": {"affected": [{"vendor": "Fortinet", "product": "FortiOS", "cpes": ["cpe:2.3:o:fortinet:fortios:8.0.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "versions": [{"versionType": "semver", "version": "8.0.0", "lessThanOrEqual": "8.0.1", "status": "affected"}, {"versionType": "semver", "version": "7.6.0", "lessThanOrEqual": "7.6.7", "status": "affected"}, {"versionType": "semver", "version": "7.4.0", "lessThanOrEqual": "7.4.12", "status": "affected"}, {"versionType": "semver", "version": "7.2.0", "lessThanOrEqual": "7.2.13", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A out-of-bounds read vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a remote privileged attacker to execute arbitrary code or command via crafted paquets."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-11-12T13:03:36.420Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "Execute unauthorized code or commands", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C"}}], "solutions": [{"lang": "en", "value": "Upgrade to 8.0.2 or above\nUpgrade to 7.6.8 or above\nUpgrade to 7.4.13 or above\nUpgrade to 7.2.14 or above"}], "references": [{"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-270", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-270"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-126256"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-13T04:58:44.642Z"}}]}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:o:fortinet:fortios:8.0.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*", "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "FortiOS", "vendor": "Fortinet", "versions": [{"lessThanOrEqual": "8.0.1", "status": "affected", "version": "8.0.0", "versionType": "semver"}, {"lessThanOrEqual": "7.6.7", "status": "affected", "version": "7.6.0", "versionType": "semver"}, {"lessThanOrEqual": "7.4.12", "status": "affected", "version": "7.4.0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.13", "status": "affected", "version": "7.2.0", "versionType": "semver"}]}], "source": "psirt@fortinet.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A out-of-bounds read vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a remote privileged attacker to execute arbitrary code or command via crafted paquets."}], "id": "CVE-2026-126256", "lastModified": "2026-11-13T05:18:26.830", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "psirt@fortinet.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-126256", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-11-11T22:17:25.783", "references": [{"source": "psirt@fortinet.com", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-270"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "psirt@fortinet.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.1]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.6.0,7.6.7]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.0,7.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.2.0,7.2.13]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "FortiOS", "source": "cna", "vendor": "Fortinet"}, "product": "fortios", "vendor": "fortinet"}], "created": "2026-11-12T18:00:06.712905+00:00", "title": "Out\u2011of\u2011Bounds Read in FortiOS Enabling Remote Code Execution", "updated": "2026-11-13T01:30:09.229531+00:00", "vendors": ["fortinet", "fortinet$PRODUCT$fortios"]}