{"id":"CVE-2026-121057","published":"2026-11-03T21:17:10.300","lastModified":"2026-11-03T22:19:33.620","description":"Type confusion in V8 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: High)","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-843"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/574038247","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A type confusion vulnerability in Google Chrome's V8 JavaScript engine allowed remote attackers to execute arbitrary code inside the sandbox by tricking the engine into misinterpreting object types via a malicious HTML page.","exploitability":"Exploitation requires user interaction (e.g., visiting a crafted webpage) and high skill due to the complexity of triggering type confusion in V8, but no authentication or privileged access is needed.","blast_radius":"Successful exploitation could lead to full compromise of the sandboxed Chrome process, enabling theft of sensitive data, code execution with sandbox privileges, and potential lateral movement within the user's environment.","remediation":"Upgrade Google Chrome to version 157.0.8103.38 or later, as this is the exact patched version specified in the CVE description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["type-confusion","rce","sandbox-escape","web-browser","v8"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:59:00.867Z"}}