{"id":"CVE-2026-121089","published":"2026-11-03T21:17:14.543","lastModified":"2026-11-04T05:18:32.807","description":"Use after free in WebGPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker 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-416"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/571648522","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in WebGPU within Google Chrome allowed remote attackers to execute arbitrary code outside the sandbox by manipulating freed memory after a page was rendered.","exploitability":"Exploitation requires a targeted user to visit a crafted HTML page, leveraging social engineering or compromised websites due to the need for user interaction (UI:R).","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","rce","sandbox-escape","webgpu","chrome"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:51:04.550Z"}}