{"id":"CVE-2026-106378","published":"2026-10-06T19:18:06.960","lastModified":"2026-10-07T13:45:31.323","description":"Privilege elevation in Sandbox in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","cvssScore":8.3,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","cwes":["CWE-250"],"vendors":["google","apple"],"products":["chrome","macos"],"references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://issues.chromium.org/issues/507596239","tags":["Permissions Required"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A privilege escalation vulnerability in Chrome's sandbox on macOS allows remote attackers to execute arbitrary code outside the sandbox after compromising the renderer process. This creates a significant security risk as it breaks the core sandboxing protection that isolates browser processes.","exploitability":"Exploitation requires a remote attacker to first compromise the renderer process, then craft a malicious HTML page that triggers the sandbox escape, making it moderately difficult but achievable with a successful initial compromise.","blast_radius":"The vulnerability affects all Chrome users on macOS prior to version 155.0.8059.39, potentially exposing millions of users to remote code execution attacks that could lead to full system compromise.","remediation":"Upgrade to Chrome 155.0.8059.39 or later immediately","detection":"No reliable host or network indicator is derivable from the published description.","tags":["sandbox-escape","privilege-escalation","browser"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:55:28.939Z"}}