{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12456","assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","state":"PUBLISHED","assignerShortName":"Chrome","dateReserved":"2026-06-16T19:38:30.107Z","datePublished":"2026-06-17T01:38:19.909Z","dateUpdated":"2026-06-17T10:56:40.032Z"},"containers":{"cna":{"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"149.0.7827.155","status":"affected","lessThan":"149.0.7827.155","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: High)"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Insufficient validation of untrusted input","cweId":"CWE-20"}]}],"providerMetadata":{"orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","shortName":"Chrome","dateUpdated":"2026-06-17T01:38:19.909Z"},"references":[{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html"},{"url":"https://issues.chromium.org/issues/517124587"}]},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.2,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-17T10:56:36.691920Z","id":"CVE-2026-12456","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-17T10:56:40.032Z"}}]}}