{"id":"CVE-2026-121061","published":"2026-11-03T21:17:10.703","lastModified":"2026-11-03T22:19:33.960","description":"Use after free in Modularization 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-416"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/576723181","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Chrome's Modularization component allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a crafted HTML page.","exploitability":"Exploitation requires social engineering (user interaction) to load a malicious HTML page; no authentication or special privileges are needed.","blast_radius":"Successful exploitation could lead to full compromise of the sandboxed Chrome process, enabling data theft, malware installation, or lateral movement within the user's 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":"2026-11-04T09:59:09.554Z"}}