{"id":"CVE-2026-87473","title":"Incorrect authorization in FileHandling in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page","summary":"Incorrect authorization in FileHandling in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)","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-863"],"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":"2026-09-15T17:21:54.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87473","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/537101736","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"epss":0.00259,"epssPercentile":0.17858,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T12:42:07.219489Z"},"ingestedAt":"2026-09-09T01:17:17.505Z","slug":"CVE-2026-87473","body":"## Overview\n\nIncorrect authorization in FileHandling in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (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`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202251,"id":"CVE-2026-87473","ts":1789400065231,"field":"cvss","old":null,"new":"6.5"},{"seq":202250,"id":"CVE-2026-87473","ts":1789400065231,"field":"severity","old":"none","new":"medium"},{"seq":200978,"id":"CVE-2026-87473","ts":1789397618960,"field":"cvss","old":"6.5","new":null},{"seq":200977,"id":"CVE-2026-87473","ts":1789397618960,"field":"severity","old":"medium","new":"none"},{"seq":199671,"id":"CVE-2026-87473","ts":1789395566502,"field":"cvss","old":null,"new":"6.5"},{"seq":199670,"id":"CVE-2026-87473","ts":1789395566502,"field":"severity","old":"none","new":"medium"}]}