{"id":"CVE-2026-113261","published":"2026-10-20T22:19:19.787","lastModified":"2026-10-22T23:18:28.663","description":"Use after free in WebAppInstalls in Google Chrome prior to 156.0.8078.47 allowed a remote attacker 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":["google"],"products":["chrome"],"references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://issues.chromium.org/issues/515440087","tags":["Permissions Required"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A use-after-free vulnerability in Chrome's WebAppInstalls component allows a remote attacker to execute arbitrary code outside the sandbox by tricking a user into visiting a malicious page.","exploitability":"Exploitation requires social engineering (user interaction) to load a crafted HTML page; no known public exploit exists, making it harder but still feasible for advanced attackers.","blast_radius":"Successful exploitation could lead to full system compromise outside Chrome's sandbox, enabling data theft, malware installation, or lateral movement.","remediation":"Upgrade Google Chrome to version 156.0.8078.47 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["use-after-free","sandbox-escape","rce","web","chrome"],"model":"garnet-coder","analyzedAt":"2026-10-25T08:45:33.637Z"}}