{"id":"CVE-2026-121114","published":"2026-11-03T21:17:19.087","lastModified":"2026-11-03T22:19:37.963","description":"Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)","cvssScore":9.6,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cwes":["CWE-416"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/573387527","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Chrome's TabStrip component allows a remote attacker to trigger memory corruption by reusing freed objects after navigation, leading to arbitrary code execution outside the sandbox.","exploitability":"Exploitation requires a user to visit a specially crafted HTML page (social engineering/UI interaction), with no special privileges needed beyond normal browsing.","blast_radius":"Successful exploitation could lead to full system compromise via sandbox escape, enabling attackers to install malware, steal data, or pivot within the host environment.","remediation":"Upgrade Google Chrome to version 157.0.8103.38 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["use-after-free","sandbox-escape","rce","web"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:51:21.584Z"}}