{"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","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-441"],"vendor":"google","product":"chrome","affected":["chrome < 155.0.8059.39"],"patched":["chrome 155.0.8059.39"],"published":"2026-10-06","updated":"2026-10-13","sourceUpdated":"2026-10-13T18:30:01.820","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"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106266"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00229,"epssPercentile":0.13672,"ingestedAt":"2026-10-06T19:13:33.913Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-09T18:37:23.725880Z"},"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## Affected\n\n- `chrome < 155.0.8059.39`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 155.0.8059.39`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-09 · [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"}]}