{"id":"CVE-2026-121156","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-121156","generatedAt":"2026-11-04T11:49:18.760Z","title":"Buffer overflow in Dawn in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page.","description":"Buffer overflow in Dawn in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)","published":"2026-11-03T21:17:23.000Z","lastModified":"2026-11-04T05:18:35.000Z","status":"Awaiting Analysis","sourceIdentifier":"chrome-cve-admin@google.com","cvss":{"version":"3.1","score":9.6,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"},"cwe":["CWE-122"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unscored. Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-11-03T21:17:23.000Z","detail":{"score":"9.6","severity":"CRITICAL","publishedAt":"2026-11-03T21:17:23.283Z"},"summary":"New CVE, critical severity (CVSS 9.6)."}],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","source":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/567735302","source":"chrome-cve-admin@google.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-121156","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}