{"id":"CVE-2026-121077","published":"2026-11-03T21:17:12.893","lastModified":"2026-11-03T22:19:35.277","description":"Use after free in Mobile 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: Medium)","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/570026368","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Chrome's Mobile component allows a remote attacker to execute arbitrary code outside the sandbox by tricking a user into visiting a crafted HTML page.","exploitability":"Exploitation requires social engineering to lure a victim to a malicious page and relies on triggering the use-after-free condition reliably, making it moderately difficult despite low attack complexity.","blast_radius":"Successful exploitation could lead to full system compromise outside Chrome's sandbox, enabling data theft, malware installation, or lateral movement from a compromised browser session.","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":"2026-11-04T09:50:48.110Z"}}