{"id":"CVE-2026-87556","title":"Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page","summary":"Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)","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-862"],"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":"2026-09-10T19:17:38.337","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87556","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/513192482","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87556.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87556"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87556"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T18:15:02.344776Z"},"epss":0.00282,"epssPercentile":0.2101,"scores":{"nvd":4.3,"vendor":5.4,"adp":4.3},"ingestedAt":"2026-09-09T01:17:17.509Z","slug":"CVE-2026-87556","body":"## Overview\n\nMissing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker 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-2026-87556.json)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202422,"id":"CVE-2026-87556","ts":1789400073345,"field":"cvss","old":null,"new":"4.3"},{"seq":202421,"id":"CVE-2026-87556","ts":1789400073345,"field":"severity","old":"none","new":"medium"},{"seq":201149,"id":"CVE-2026-87556","ts":1789397620090,"field":"cvss","old":"4.3","new":null},{"seq":201148,"id":"CVE-2026-87556","ts":1789397620090,"field":"severity","old":"medium","new":"none"},{"seq":199842,"id":"CVE-2026-87556","ts":1789395578057,"field":"cvss","old":null,"new":"4.3"},{"seq":199841,"id":"CVE-2026-87556","ts":1789395578057,"field":"severity","old":"none","new":"medium"},{"seq":199083,"id":"CVE-2026-87556","ts":1789392260177,"field":"cvss","old":"4.3","new":null},{"seq":199082,"id":"CVE-2026-87556","ts":1789392260177,"field":"severity","old":"medium","new":"none"},{"seq":197416,"id":"CVE-2026-87556","ts":1789384296721,"field":"cvss","old":null,"new":"4.3"},{"seq":197415,"id":"CVE-2026-87556","ts":1789384296721,"field":"severity","old":"none","new":"medium"},{"seq":196690,"id":"CVE-2026-87556","ts":1789383770477,"field":"cvss","old":"4.3","new":null},{"seq":196689,"id":"CVE-2026-87556","ts":1789383770477,"field":"severity","old":"medium","new":"none"},{"seq":195594,"id":"CVE-2026-87556","ts":1789380578094,"field":"cvss","old":null,"new":"4.3"},{"seq":195593,"id":"CVE-2026-87556","ts":1789380578094,"field":"severity","old":"none","new":"medium"},{"seq":194545,"id":"CVE-2026-87556","ts":1789378789324,"field":"cvss","old":"4.3","new":null},{"seq":194544,"id":"CVE-2026-87556","ts":1789378789324,"field":"severity","old":"medium","new":"none"},{"seq":193332,"id":"CVE-2026-87556","ts":1789376520740,"field":"cvss","old":null,"new":"4.3"},{"seq":193331,"id":"CVE-2026-87556","ts":1789376520740,"field":"severity","old":"none","new":"medium"},{"seq":192119,"id":"CVE-2026-87556","ts":1789373639119,"field":"cvss","old":"4.3","new":null},{"seq":192118,"id":"CVE-2026-87556","ts":1789373639119,"field":"severity","old":"medium","new":"none"},{"seq":190904,"id":"CVE-2026-87556","ts":1789369487647,"field":"cvss","old":null,"new":"4.3"},{"seq":190903,"id":"CVE-2026-87556","ts":1789369487647,"field":"severity","old":"none","new":"medium"},{"seq":189691,"id":"CVE-2026-87556","ts":1789368460705,"field":"cvss","old":"4.3","new":null},{"seq":189690,"id":"CVE-2026-87556","ts":1789368460705,"field":"severity","old":"medium","new":"none"},{"seq":188474,"id":"CVE-2026-87556","ts":1789365236663,"field":"cvss","old":null,"new":"4.3"},{"seq":188473,"id":"CVE-2026-87556","ts":1789365236663,"field":"severity","old":"none","new":"medium"},{"seq":187261,"id":"CVE-2026-87556","ts":1789363480043,"field":"cvss","old":"4.3","new":null},{"seq":187260,"id":"CVE-2026-87556","ts":1789363480043,"field":"severity","old":"medium","new":"none"},{"seq":186047,"id":"CVE-2026-87556","ts":1789361235307,"field":"cvss","old":null,"new":"4.3"},{"seq":186046,"id":"CVE-2026-87556","ts":1789361235307,"field":"severity","old":"none","new":"medium"},{"seq":184834,"id":"CVE-2026-87556","ts":1789358377044,"field":"cvss","old":"4.3","new":null},{"seq":184833,"id":"CVE-2026-87556","ts":1789358377044,"field":"severity","old":"medium","new":"none"},{"seq":183083,"id":"CVE-2026-87556","ts":1789354323162,"field":"cvss","old":null,"new":"4.3"},{"seq":183082,"id":"CVE-2026-87556","ts":1789354323162,"field":"severity","old":"none","new":"medium"},{"seq":181876,"id":"CVE-2026-87556","ts":1789353335022,"field":"cvss","old":"4.3","new":null},{"seq":181875,"id":"CVE-2026-87556","ts":1789353335022,"field":"severity","old":"medium","new":"none"},{"seq":180669,"id":"CVE-2026-87556","ts":1789350290660,"field":"cvss","old":null,"new":"4.3"},{"seq":180668,"id":"CVE-2026-87556","ts":1789350290660,"field":"severity","old":"none","new":"medium"},{"seq":179462,"id":"CVE-2026-87556","ts":1789348308311,"field":"cvss","old":"4.3","new":null},{"seq":179461,"id":"CVE-2026-87556","ts":1789348308311,"field":"severity","old":"medium","new":"none"},{"seq":178255,"id":"CVE-2026-87556","ts":1789346377663,"field":"cvss","old":null,"new":"4.3"},{"seq":178254,"id":"CVE-2026-87556","ts":1789346377663,"field":"severity","old":"none","new":"medium"},{"seq":177048,"id":"CVE-2026-87556","ts":1789343188259,"field":"cvss","old":"4.3","new":null},{"seq":177047,"id":"CVE-2026-87556","ts":1789343188259,"field":"severity","old":"medium","new":"none"},{"seq":175165,"id":"CVE-2026-87556","ts":1789334884310,"field":"cvss","old":null,"new":"4.3"},{"seq":175164,"id":"CVE-2026-87556","ts":1789334884310,"field":"severity","old":"none","new":"medium"},{"seq":173960,"id":"CVE-2026-87556","ts":1789333703437,"field":"cvss","old":"4.3","new":null},{"seq":173959,"id":"CVE-2026-87556","ts":1789333703437,"field":"severity","old":"medium","new":"none"},{"seq":172774,"id":"CVE-2026-87556","ts":1789331096672,"fiel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