{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6387","assignerOrgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","state":"PUBLISHED","assignerShortName":"lenovo","dateReserved":"2026-04-15T19:22:25.659Z","datePublished":"2026-08-13T14:52:21.111Z","dateUpdated":"2026-08-13T16:07:44.922Z"},"containers":{"cna":{"providerMetadata":{"orgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","shortName":"lenovo","dateUpdated":"2026-08-13T14:52:21.111Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","type":"CWE"}]}],"affected":[{"vendor":"Lenovo","product":"System Update","platforms":["Windows"],"versions":[{"status":"affected","version":"0","lessThan":"5.08.04.85","versionType":"custom"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:lenovo:system_update:*:*:windows:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"5.08.04.85"}]}]}],"descriptions":[{"lang":"en","value":"A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div><div><p>A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.&nbsp;</p></div></div></div><br>"}]}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-213316","tags":["vendor-advisory"]},{"url":"https://support.lenovo.com/us/en/solutions/ht037099","tags":["product","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.3,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"solutions":[{"lang":"en","value":"Update Lenovo System Update to version 5.08.04.85 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div><div><p>Update Lenovo System Update to version 5.08.04.85 or later.</p></div></div></div>"}]}],"credits":[{"lang":"en","value":"Lenovo thanks sf0rn for reporting this vulnerability.","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.0-beta"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T16:05:56.673990Z","id":"CVE-2026-6387","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-13T16:07:44.922Z"}}]}}