{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87521","assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","state":"PUBLISHED","assignerShortName":"Chrome","dateReserved":"2026-09-08T22:39:23.905Z","datePublished":"2026-09-09T00:09:47.645Z","dateUpdated":"2026-09-09T15:07:42.861Z"},"containers":{"cna":{"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"153.0.8010.36","status":"affected","lessThan":"153.0.8010.36","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Information leak in WebMCP in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Information leak","cweId":"CWE-200"}]}],"providerMetadata":{"orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","shortName":"Chrome","dateUpdated":"2026-09-09T00:09:47.645Z"},"references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html"},{"url":"https://issues.chromium.org/issues/512986143"}]},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":3.1,"attackVector":"NETWORK","baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-09T15:07:38.627768Z","id":"CVE-2026-87521","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":"2026-09-09T15:07:42.861Z"}}]}}