{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87591", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-09-08T22:41:37.955Z", "datePublished": "2026-09-09T00:09:58.885Z", "dateUpdated": "2026-09-09T00:09:58.885Z"}, "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": "Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect authorization", "cweId": "CWE-863"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-09-09T00:09:58.885Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html"}, {"url": "https://issues.chromium.org/issues/543938457"}]}}}

{}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "153.0.8010.36", "status": "affected", "version": "153.0.8010.36", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)"}], "id": "CVE-2026-87591", "lastModified": "2026-09-09T01:17:17.010", "metrics": {}, "published": "2026-09-09T01:17:17.010", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/543938457"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "chrome-cve-admin@google.com", "type": "Primary"}]}

{}

{"created": "2026-09-09T06:15:05.753401+00:00", "title": "Privilege Escalation via Malicious Chrome Extension Authorization Bypass", "updated": "2026-09-09T06:15:05.753407+00:00", "vendors": []}