{"id":"CVE-2026-126256","state":"PUBLISHED","title":"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 remo","description":"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.","publishedAt":"2026-11-11T21:31:52.364Z","updatedAt":"2026-11-12T13:03:36.420Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"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","source":"fortinet"},"assigner":"fortinet","products":["Fortinet FortiOS"],"affected":[{"vendor":"Fortinet","product":"FortiOS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.0.1","versionType":"semver"},{"version":"7.6.0","status":"affected","lessThanOrEqual":"7.6.7","versionType":"semver"},{"version":"7.4.0","status":"affected","lessThanOrEqual":"7.4.12","versionType":"semver"},{"version":"7.2.0","status":"affected","lessThanOrEqual":"7.2.13","versionType":"semver"}],"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:*:*:*:*:*:*:*"]}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-26-270"],"weaknesses":["CWE-125"],"ingestedAt":"2026-11-12T13:14:06.844Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/126xxx/CVE-2026-126256.json","commit":"e2afacae64224d16846dd82a4fe92b51c62dd00f","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-126256","state":"PUBLISHED","datePublished":"2026-11-11T21:31:52.364Z","dateUpdated":"2026-11-12T13:03:36.420Z","assignerShortName":"fortinet","assignerOrgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateReserved":"2026-11-10T20:10:03.791Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Fortinet","product":"FortiOS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.0.1","versionType":"semver"},{"version":"7.6.0","status":"affected","lessThanOrEqual":"7.6.7","versionType":"semver"},{"version":"7.4.0","status":"affected","lessThanOrEqual":"7.4.12","versionType":"semver"},{"version":"7.2.0","status":"affected","lessThanOrEqual":"7.2.13","versionType":"semver"}],"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:*:*:*:*:*:*:*"]}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-270","name":"https://fortiguard.fortinet.com/psirt/FG-IR-26-270"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"Execute unauthorized code or commands","type":"CWE"}]}],"providerMetadata":{"shortName":"fortinet","orgId":"6abe59d8-c742-4dff-8ce8-9b0ca1073da8","dateUpdated":"2026-11-12T13:03:36.420Z"},"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"}]}}}}