{"id":"CVE-2026-106266","title":"Confused deputy in Contextual Tasks in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy into a privileged page via a crafted HTML page","summary":"Confused deputy in Contextual Tasks in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security…","severity":"medium","cwe":["CWE-441"],"vendor":"Google","product":"Chrome","affected":["Chrome >= 155.0.8059.39 < 155.0.8059.39"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T19:57:00.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106266","references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/501914204","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106266.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-106266"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106266"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T19:13:33.913Z","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvssSource":"vendor","slug":"CVE-2026-106266","body":"## Overview\n\nConfused deputy in Contextual Tasks in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Medium)\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-07 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106266.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":217197,"id":"CVE-2026-106266","ts":1791360727447,"field":"cvss","old":null,"new":"6.5"},{"seq":217196,"id":"CVE-2026-106266","ts":1791360727447,"field":"severity","old":"none","new":"medium"}]}