{"id":"CVE-2026-121071","published":"2026-11-03T21:17:12.057","lastModified":"2026-11-04T05:18:31.810","description":"Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially 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-863"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/561994040","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A missing authorization check in Chrome's FileSystem API allowed a remote attacker to bypass access controls and potentially execute arbitrary code outside the sandbox by tricking a user into visiting a malicious page.","exploitability":"Exploitation requires social engineering to诱导 the user to interact with a crafted HTML page; no pre-authentication or privileged access is needed.","blast_radius":"Successful exploitation could lead to full system compromise via arbitrary code execution outside Chrome's sandbox, affecting confidentiality, integrity, and availability of the host.","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":["auth-bypass","sandbox-escape","web","rce"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:50:23.004Z"}}