{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78628","assignerOrgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","state":"PUBLISHED","assignerShortName":"Okta","dateReserved":"2026-08-24T22:04:00.475Z","datePublished":"2026-10-13T20:07:37.375Z","dateUpdated":"2026-10-14T19:27:28.784Z"},"containers":{"cna":{"providerMetadata":{"orgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","shortName":"Okta","dateUpdated":"2026-10-13T20:17:36.454Z"},"title":"Improper Input Validation in the Okta Credential Provider for Windows","problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Input Validation","cweId":"CWE-20"}]},{"descriptions":[{"lang":"en","description":"Out-of-bounds Read","cweId":"CWE-125"}]},{"descriptions":[{"lang":"en","description":"Out-of-bounds Write","cweId":"CWE-787"}]}],"affected":[{"vendor":"Okta","product":"Okta Credential Provider for Windows","versions":[{"version":"0","status":"affected","lessThan":"1.4.6.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The Okta Credential Provider for Windows does not validate a serialized credential buffer before interpreting it as a Kerberos logon structure. The buffer size and packed string offsets are not checked. Processing a malformed buffer can cause the credential provider process to terminate unexpectedly or lead to out-of-bounds memory reads and writes, which may result in the disclosure of adjacent process memory into local system logs."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","baseScore":6,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"solutions":[{"lang":"en","value":"Upgrade the Okta Credential Provider for Windows to version 1.4.6.0 or greater."}],"references":[{"url":"https://trust.okta.com/security-advisories/improper-input-validation-in-the-okta-credential-provider-for-windows-cve-2026-78628"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T19:27:16.578491Z","id":"CVE-2026-78628","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":"2026-10-14T19:27:28.784Z"}}]}}