{"id":"CVE-2026-121086","published":"2026-11-03T21:17:14.123","lastModified":"2026-11-03T22:19:36.290","description":"Buffer overflow in Skia 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: 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-122"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html","tags":[]},{"url":"https://issues.chromium.org/issues/569674218","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Skia, the graphics library used by Google Chrome, allowed remote code execution when a user visited a malicious HTML page due to insufficient bounds checking during rendering operations.","exploitability":"Exploitation requires user interaction (e.g., visiting a crafted webpage) and is non-trivial but feasible for an attacker with control over the rendered content; no privileged access is needed.","blast_radius":"Successful exploitation could lead to full compromise of the victim's Chrome sandbox, enabling arbitrary code execution with the privileges of the compromised renderer process.","remediation":"Upgrade Google Chrome to version 157.0.8103.38 or later, as explicitly stated in the vulnerability description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","buffer-overflow","web","sandbox-escape"],"model":"garnet-coder","analyzedAt":"2026-11-04T09:50:56.668Z"}}