{"id":"CVE-2026-87515","title":"Incorrect authorization in FileAPI 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 FileAPI 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: Medium)","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":"2026-09-10","sourceUpdated":"2026-09-10T19:25:01.653","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87515","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/497093426","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87515.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87515"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87515"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T15:32:16.811838Z"},"epss":0.00236,"epssPercentile":0.14816,"scores":{"nvd":6.5,"vendor":5.4,"adp":6.5},"ingestedAt":"2026-09-09T01:17:17.511Z","slug":"CVE-2026-87515","body":"## Overview\n\nIncorrect authorization in FileAPI 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: Medium)\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 2026-09-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87515.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202340,"id":"CVE-2026-87515","ts":1789400065735,"field":"cvss","old":null,"new":"6.5"},{"seq":202339,"id":"CVE-2026-87515","ts":1789400065735,"field":"severity","old":"none","new":"medium"},{"seq":201067,"id":"CVE-2026-87515","ts":1789397619749,"field":"cvss","old":"6.5","new":null},{"seq":201066,"id":"CVE-2026-87515","ts":1789397619749,"field":"severity","old":"medium","new":"none"},{"seq":199760,"id":"CVE-2026-87515","ts":1789395573073,"field":"cvss","old":null,"new":"6.5"},{"seq":199759,"id":"CVE-2026-87515","ts":1789395573073,"field":"severity","old":"none","new":"medium"},{"seq":199001,"id":"CVE-2026-87515","ts":1789392259890,"field":"cvss","old":"6.5","new":null},{"seq":199000,"id":"CVE-2026-87515","ts":1789392259890,"field":"severity","old":"medium","new":"none"},{"seq":197334,"id":"CVE-2026-87515","ts":1789384296436,"field":"cvss","old":null,"new":"6.5"},{"seq":197333,"id":"CVE-2026-87515","ts":1789384296436,"field":"severity","old":"none","new":"medium"},{"seq":196608,"id":"CVE-2026-87515","ts":1789383764944,"field":"cvss","old":"6.5","new":null},{"seq":196607,"id":"CVE-2026-87515","ts":1789383764944,"field":"severity","old":"medium","new":"none"},{"seq":195512,"id":"CVE-2026-87515","ts":1789380577298,"field":"cvss","old":null,"new":"6.5"},{"seq":195511,"id":"CVE-2026-87515","ts":1789380577298,"field":"severity","old":"none","new":"medium"},{"seq":194463,"id":"CVE-2026-87515","ts":1789378789024,"field":"cvss","old":"6.5","new":null},{"seq":194462,"id":"CVE-2026-87515","ts":1789378789024,"field":"severity","old":"medium","new":"none"},{"seq":193250,"id":"CVE-2026-87515","ts":1789376520434,"field":"cvss","old":null,"new":"6.5"},{"seq":193249,"id":"CVE-2026-87515","ts":1789376520434,"field":"severity","old":"none","new":"medium"},{"seq":192037,"id":"CVE-2026-87515","ts":1789373638798,"field":"cvss","old":"6.5","new":null},{"seq":192036,"id":"CVE-2026-87515","ts":1789373638798,"field":"severity","old":"medium","new":"none"},{"seq":190822,"id":"CVE-2026-87515","ts":1789369487271,"field":"cvss","old":null,"new":"6.5"},{"seq":190821,"id":"CVE-2026-87515","ts":1789369487271,"field":"severity","old":"none","new":"medium"},{"seq":189609,"id":"CVE-2026-87515","ts":1789368460372,"field":"cvss","old":"6.5","new":null},{"seq":189608,"id":"CVE-2026-87515","ts":1789368460372,"field":"severity","old":"medium","new":"none"},{"seq":188392,"id":"CVE-2026-87515","ts":1789365236375,"field":"cvss","old":null,"new":"6.5"},{"seq":188391,"id":"CVE-2026-87515","ts":1789365236375,"field":"severity","old":"none","new":"medium"},{"seq":187179,"id":"CVE-2026-87515","ts":1789363479755,"field":"cvss","old":"6.5","new":null},{"seq":187178,"id":"CVE-2026-87515","ts":1789363479755,"field":"severity","old":"medium","new":"none"},{"seq":185965,"id":"CVE-2026-87515","ts":1789361235004,"field":"cvss","old":null,"new":"6.5"},{"seq":185964,"id":"CVE-2026-87515","ts":1789361235004,"field":"severity","old":"none","new":"medium"},{"seq":184752,"id":"CVE-2026-87515","ts":1789358376719,"field":"cvss","old":"6.5","new":null},{"seq":184751,"id":"CVE-2026-87515","ts":1789358376719,"field":"severity","old":"medium","new":"none"},{"seq":183001,"id":"CVE-2026-87515","ts":1789354322831,"field":"cvss","old":null,"new":"6.5"},{"seq":183000,"id":"CVE-2026-87515","ts":1789354322831,"field":"severity","old":"none","new":"medium"},{"seq":181794,"id":"CVE-2026-87515","ts":1789353334731,"field":"cvss","old":"6.5","new":null},{"seq":181793,"id":"CVE-2026-87515","ts":1789353334731,"field":"severity","old":"medium","new":"none"},{"seq":180587,"id":"CVE-2026-87515","ts":1789350290348,"field":"cvss","old":null,"new":"6.5"},{"seq":180586,"id":"CVE-2026-87515","ts":1789350290348,"field":"severity","old":"none","new":"medium"},{"seq":179380,"id":"CVE-2026-87515","ts":1789348308028,"field":"cvss","old":"6.5","new":null},{"seq":179379,"id":"CVE-2026-87515","ts":1789348308028,"field":"severity","old":"medium","new":"none"},{"seq":178173,"id":"CVE-2026-87515","ts":1789346377382,"field":"cvss","old":null,"new":"6.5"},{"seq":178172,"id":"CVE-2026-87515","ts":1789346377382,"field":"severity","old":"none","new":"medium"},{"seq":176966,"id":"CVE-2026-87515","ts":1789343187937,"field":"cvss","old":"6.5","new":null},{"seq":176965,"id":"CVE-2026-87515","ts":1789343187937,"field":"severity","old":"medium","new":"none"},{"seq":175083,"id":"CVE-2026-87515","ts":1789334883981,"field":"cvss","old":null,"new":"6.5"},{"seq":175082,"id":"CVE-2026-87515","ts":1789334883981,"field":"severity","old":"none","new":"medium"},{"seq":173878,"id":"CVE-2026-87515","ts":1789333703139,"field":"cvss","old":"6.5","new":null},{"seq":173877,"id":"CVE-2026-87515","ts":1789333703139,"field":"severity","old":"medium","new":"none"},{"seq":172692,"id":"CVE-2026-87515","ts":1789331096370,"field"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