{"id":"CVE-2026-87469","title":"Improper input validation in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via crafted network traffic","summary":"Improper input validation in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via crafted network traffic. (Chromium security severity: Low)","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","cwe":["CWE-20"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.36"],"patched":["chrome 153.0.8010.36"],"published":"2026-09-09","updated":"2026-09-15","sourceUpdated":"2026-09-15T17:20:56.567","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87469","references":[{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","label":"chrome-cve-admin@google.com"},{"url":"https://issues.chromium.org/issues/538715523","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87469.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87469"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87469"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00233,"epssPercentile":0.12676,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T12:43:50.232013Z"},"ingestedAt":"2026-09-09T01:17:17.505Z","scores":{"nvd":4.3,"vendor":3.1},"slug":"CVE-2026-87469","body":"## Overview\n\nImproper input validation in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via crafted network traffic. (Chromium security severity: Low)\n\n## Affected\n\n- `chrome < 153.0.8010.36`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `chrome 153.0.8010.36`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87469.json)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202243,"id":"CVE-2026-87469","ts":1789400065200,"field":"cvss","old":null,"new":"4.3"},{"seq":202242,"id":"CVE-2026-87469","ts":1789400065200,"field":"severity","old":"none","new":"medium"},{"seq":200970,"id":"CVE-2026-87469","ts":1789397618902,"field":"cvss","old":"4.3","new":null},{"seq":200969,"id":"CVE-2026-87469","ts":1789397618902,"field":"severity","old":"medium","new":"none"},{"seq":199663,"id":"CVE-2026-87469","ts":1789395565870,"field":"cvss","old":null,"new":"4.3"},{"seq":199662,"id":"CVE-2026-87469","ts":1789395565870,"field":"severity","old":"none","new":"medium"}]}