{"id":"CVE-2026-121189","published":"2026-11-03T21:17:27.693","lastModified":"2026-11-03T22:19:41.947","description":"Use after free in Browser 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: Low)","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/555547989","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Google Chrome's browser engine allowed remote attackers to execute arbitrary code outside the sandbox by tricking a user into visiting a malicious HTML page.","exploitability":"Exploitation requires social engineering (user interaction) to load a crafted HTML page, and success depends on memory layout conditions, making it non-trivial but feasible for skilled attackers.","blast_radius":"Successful exploitation could lead to full system compromise outside Chrome's sandbox, enabling data theft, malware installation, or lateral movement 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","user-interaction"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:52:03.349Z"}}