{"id":"CVE-2026-87493","title":"Missing authorization in FileSystem 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":"Missing authorization in FileSystem 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-862"],"vendor":"google","product":"chrome","affected":["chrome < 153.0.8010.36"],"patched":["chrome 153.0.8010.36"],"published":"2026-09-09","updated":"2026-09-11","sourceUpdated":"2026-09-11T19:24:15.370","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87493","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/523741272","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87493.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87493"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87493"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00202,"epssPercentile":0.10399,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T18:46:50.345578Z"},"scores":{"nvd":6.5,"vendor":5.4,"adp":6.5},"ingestedAt":"2026-09-09T01:17:17.507Z","slug":"CVE-2026-87493","body":"## Overview\n\nMissing authorization in FileSystem 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-2026-87493.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202296,"id":"CVE-2026-87493","ts":1789400065385,"field":"cvss","old":null,"new":"6.5"},{"seq":202295,"id":"CVE-2026-87493","ts":1789400065385,"field":"severity","old":"none","new":"medium"},{"seq":201023,"id":"CVE-2026-87493","ts":1789397619248,"field":"cvss","old":"6.5","new":null},{"seq":201022,"id":"CVE-2026-87493","ts":1789397619248,"field":"severity","old":"medium","new":"none"},{"seq":199716,"id":"CVE-2026-87493","ts":1789395569637,"field":"cvss","old":null,"new":"6.5"},{"seq":199715,"id":"CVE-2026-87493","ts":1789395569637,"field":"severity","old":"none","new":"medium"},{"seq":198957,"id":"CVE-2026-87493","ts":1789392257732,"field":"cvss","old":"6.5","new":null},{"seq":198956,"id":"CVE-2026-87493","ts":1789392257732,"field":"severity","old":"medium","new":"none"},{"seq":197290,"id":"CVE-2026-87493","ts":1789384296298,"field":"cvss","old":null,"new":"6.5"},{"seq":197289,"id":"CVE-2026-87493","ts":1789384296298,"field":"severity","old":"none","new":"medium"},{"seq":196564,"id":"CVE-2026-87493","ts":1789383762058,"field":"cvss","old":"6.5","new":null},{"seq":196563,"id":"CVE-2026-87493","ts":1789383762058,"field":"severity","old":"medium","new":"none"},{"seq":195468,"id":"CVE-2026-87493","ts":1789380577149,"field":"cvss","old":null,"new":"6.5"},{"seq":195467,"id":"CVE-2026-87493","ts":1789380577149,"field":"severity","old":"none","new":"medium"},{"seq":194419,"id":"CVE-2026-87493","ts":1789378785925,"field":"cvss","old":"6.5","new":null},{"seq":194418,"id":"CVE-2026-87493","ts":1789378785925,"field":"severity","old":"medium","new":"none"},{"seq":193206,"id":"CVE-2026-87493","ts":1789376520270,"field":"cvss","old":null,"new":"6.5"},{"seq":193205,"id":"CVE-2026-87493","ts":1789376520270,"field":"severity","old":"none","new":"medium"},{"seq":191993,"id":"CVE-2026-87493","ts":1789373636286,"field":"cvss","old":"6.5","new":null},{"seq":191992,"id":"CVE-2026-87493","ts":1789373636286,"field":"severity","old":"medium","new":"none"},{"seq":190778,"id":"CVE-2026-87493","ts":1789369487088,"field":"cvss","old":null,"new":"6.5"},{"seq":190777,"id":"CVE-2026-87493","ts":1789369487088,"field":"severity","old":"none","new":"medium"},{"seq":189565,"id":"CVE-2026-87493","ts":1789368458217,"field":"cvss","old":"6.5","new":null},{"seq":189564,"id":"CVE-2026-87493","ts":1789368458217,"field":"severity","old":"medium","new":"none"},{"seq":188348,"id":"CVE-2026-87493","ts":1789365236229,"field":"cvss","old":null,"new":"6.5"},{"seq":188347,"id":"CVE-2026-87493","ts":1789365236229,"field":"severity","old":"none","new":"medium"},{"seq":187135,"id":"CVE-2026-87493","ts":1789363477713,"field":"cvss","old":"6.5","new":null},{"seq":187134,"id":"CVE-2026-87493","ts":1789363477713,"field":"severity","old":"medium","new":"none"},{"seq":185921,"id":"CVE-2026-87493","ts":1789361234852,"field":"cvss","old":null,"new":"6.5"},{"seq":185920,"id":"CVE-2026-87493","ts":1789361234852,"field":"severity","old":"none","new":"medium"},{"seq":184708,"id":"CVE-2026-87493","ts":1789358374495,"field":"cvss","old":"6.5","new":null},{"seq":184707,"id":"CVE-2026-87493","ts":1789358374495,"field":"severity","old":"medium","new":"none"},{"seq":182957,"id":"CVE-2026-87493","ts":1789354322656,"field":"cvss","old":null,"new":"6.5"},{"seq":182956,"id":"CVE-2026-87493","ts":1789354322656,"field":"severity","old":"none","new":"medium"},{"seq":181750,"id":"CVE-2026-87493","ts":1789353332368,"field":"cvss","old":"6.5","new":null},{"seq":181749,"id":"CVE-2026-87493","ts":1789353332368,"field":"severity","old":"medium","new":"none"},{"seq":180543,"id":"CVE-2026-87493","ts":1789350290192,"field":"cvss","old":null,"new":"6.5"},{"seq":180542,"id":"CVE-2026-87493","ts":1789350290192,"field":"severity","old":"none","new":"medium"},{"seq":179336,"id":"CVE-2026-87493","ts":1789348305076,"field":"cvss","old":"6.5","new":null},{"seq":179335,"id":"CVE-2026-87493","ts":1789348305076,"field":"severity","old":"medium","new":"none"},{"seq":178129,"id":"CVE-2026-87493","ts":1789346377235,"field":"cvss","old":null,"new":"6.5"},{"seq":178128,"id":"CVE-2026-87493","ts":1789346377235,"field":"severity","old":"none","new":"medium"},{"seq":176922,"id":"CVE-2026-87493","ts":1789343187278,"field":"cvss","old":"6.5","new":null},{"seq":176921,"id":"CVE-2026-87493","ts":1789343187278,"field":"severity","old":"medium","new":"none"},{"seq":175039,"id":"CVE-2026-87493","ts":1789334883809,"field":"cvss","old":null,"new":"6.5"},{"seq":175038,"id":"CVE-2026-87493","ts":1789334883809,"field":"severity","old":"none","new":"medium"},{"seq":173834,"id":"CVE-2026-87493","ts":1789333702987,"field":"cvss","old":"6.5","new":null},{"seq":173833,"id":"CVE-2026-87493","ts":1789333702987,"field":"severity","old":"medium","new":"none"},{"seq":172648,"id":"CVE-2026-87493","ts":1789331096220,"field"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