{"id":"EM-20261103-1Q24","url":"https://cyber.eventmonitor.net/incident/EM-20261103-1Q24/","type":"cve","title":"Google Chrome Vulnerability (CVE-2026-121238)","subtitle":"CVE-2026-121238","subject":"CVE-2026-121238","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-03T21:17:34.027Z","firstSignal":"2026-11-03T20:42:51.000Z","lastSignal":"2026-11-03T21:17:34.027Z","updated":"2026-11-05T01:06:50.406Z","revision":1,"life":[{"status":"Born","at":"2026-11-03T21:17:34.027Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-03T21:17:34.027Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-03T20:42:51.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-03T21:17:34.027Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261103-1Q24 created."},{"at":"2026-11-03T21:17:34.027Z","what":"Severity raised to High by C6"}],"stages":[{"name":"Disclosed","at":"2026-11-03T21:17:34.027Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-03T21:17:34.027Z","detail":"CVSS 8.8 · EPSS 0.3%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-03T20:42:51.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-03T20:42:51.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":2,"title":"Red Hat: CVE-2026-121238 (moderate)","text":"chromium-browser: Use after free in Source","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-121238.json"},{"at":"2026-11-03T21:17:34.027Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-121238 (CVSS 8.8)","text":"Use after free in Source in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121238"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-03T21:17:34.027","score":8.8,"severity":"HIGH","desc":"Use after free in Source in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","product":"Google Chrome","seen":1793812386378},"kev":null,"epss":{"epss":0.00327,"pct":0.25917,"at":1793803438877},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}