{"id":"CVE-2026-87505","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-87505","summary":"Incorrect authorization in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted…","details":"Incorrect authorization in FileSystem in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)","published":"2026-09-09T01:17:07.473","modified":"2026-09-10T19:23:56.697","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html"},{"type":"EXPLOIT","url":"https://issues.chromium.org/issues/517597701"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T19:23:56.697"}}