{"id":"CVE-2026-87499","title":"Incorrect authorization in Network 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 HTML page","summary":"Incorrect authorization in Network 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 HTML page. (Chromium security severity: High)","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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":"2026-09-10T19:24:14.547","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87499","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/553118043","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87499.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87499"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87499"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87499"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T15:28:44.934560Z"},"epss":0.0024,"epssPercentile":0.15397,"scores":{"nvd":8.1,"vendor":8.7,"adp":8.1},"ingestedAt":"2026-09-09T01:17:17.511Z","slug":"CVE-2026-87499","body":"## Overview\n\nIncorrect authorization in Network 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 HTML page. (Chromium security severity: High)\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-2026-87499.json)","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202308,"id":"CVE-2026-87499","ts":1789400065431,"field":"cvss","old":null,"new":"8.1"},{"seq":202307,"id":"CVE-2026-87499","ts":1789400065431,"field":"severity","old":"none","new":"high"},{"seq":201035,"id":"CVE-2026-87499","ts":1789397619333,"field":"cvss","old":"8.1","new":null},{"seq":201034,"id":"CVE-2026-87499","ts":1789397619333,"field":"severity","old":"high","new":"none"},{"seq":199728,"id":"CVE-2026-87499","ts":1789395570573,"field":"cvss","old":null,"new":"8.1"},{"seq":199727,"id":"CVE-2026-87499","ts":1789395570573,"field":"severity","old":"none","new":"high"},{"seq":198969,"id":"CVE-2026-87499","ts":1789392258636,"field":"cvss","old":"8.1","new":null},{"seq":198968,"id":"CVE-2026-87499","ts":1789392258636,"field":"severity","old":"high","new":"none"},{"seq":197302,"id":"CVE-2026-87499","ts":1789384296336,"field":"cvss","old":null,"new":"8.1"},{"seq":197301,"id":"CVE-2026-87499","ts":1789384296336,"field":"severity","old":"none","new":"high"},{"seq":196576,"id":"CVE-2026-87499","ts":1789383762852,"field":"cvss","old":"8.1","new":null},{"seq":196575,"id":"CVE-2026-87499","ts":1789383762852,"field":"severity","old":"high","new":"none"},{"seq":195480,"id":"CVE-2026-87499","ts":1789380577188,"field":"cvss","old":null,"new":"8.1"},{"seq":195479,"id":"CVE-2026-87499","ts":1789380577188,"field":"severity","old":"none","new":"high"},{"seq":194431,"id":"CVE-2026-87499","ts":1789378786219,"field":"cvss","old":"8.1","new":null},{"seq":194430,"id":"CVE-2026-87499","ts":1789378786219,"field":"severity","old":"high","new":"none"},{"seq":193218,"id":"CVE-2026-87499","ts":1789376520312,"field":"cvss","old":null,"new":"8.1"},{"seq":193217,"id":"CVE-2026-87499","ts":1789376520312,"field":"severity","old":"none","new":"high"},{"seq":192005,"id":"CVE-2026-87499","ts":1789373637115,"field":"cvss","old":"8.1","new":null},{"seq":192004,"id":"CVE-2026-87499","ts":1789373637115,"field":"severity","old":"high","new":"none"},{"seq":190790,"id":"CVE-2026-87499","ts":1789369487145,"field":"cvss","old":null,"new":"8.1"},{"seq":190789,"id":"CVE-2026-87499","ts":1789369487145,"field":"severity","old":"none","new":"high"},{"seq":189577,"id":"CVE-2026-87499","ts":1789368459049,"field":"cvss","old":"8.1","new":null},{"seq":189576,"id":"CVE-2026-87499","ts":1789368459049,"field":"severity","old":"high","new":"none"},{"seq":188360,"id":"CVE-2026-87499","ts":1789365236269,"field":"cvss","old":null,"new":"8.1"},{"seq":188359,"id":"CVE-2026-87499","ts":1789365236269,"field":"severity","old":"none","new":"high"},{"seq":187147,"id":"CVE-2026-87499","ts":1789363478524,"field":"cvss","old":"8.1","new":null},{"seq":187146,"id":"CVE-2026-87499","ts":1789363478524,"field":"severity","old":"high","new":"none"},{"seq":185933,"id":"CVE-2026-87499","ts":1789361234894,"field":"cvss","old":null,"new":"8.1"},{"seq":185932,"id":"CVE-2026-87499","ts":1789361234894,"field":"severity","old":"none","new":"high"},{"seq":184720,"id":"CVE-2026-87499","ts":1789358375375,"field":"cvss","old":"8.1","new":null},{"seq":184719,"id":"CVE-2026-87499","ts":1789358375375,"field":"severity","old":"high","new":"none"},{"seq":182969,"id":"CVE-2026-87499","ts":1789354322705,"field":"cvss","old":null,"new":"8.1"},{"seq":182968,"id":"CVE-2026-87499","ts":1789354322705,"field":"severity","old":"none","new":"high"},{"seq":181762,"id":"CVE-2026-87499","ts":1789353333162,"field":"cvss","old":"8.1","new":null},{"seq":181761,"id":"CVE-2026-87499","ts":1789353333162,"field":"severity","old":"high","new":"none"},{"seq":180555,"id":"CVE-2026-87499","ts":1789350290237,"field":"cvss","old":null,"new":"8.1"},{"seq":180554,"id":"CVE-2026-87499","ts":1789350290237,"field":"severity","old":"none","new":"high"},{"seq":179348,"id":"CVE-2026-87499","ts":1789348306025,"field":"cvss","old":"8.1","new":null},{"seq":179347,"id":"CVE-2026-87499","ts":1789348306025,"field":"severity","old":"high","new":"none"},{"seq":178141,"id":"CVE-2026-87499","ts":1789346377275,"field":"cvss","old":null,"new":"8.1"},{"seq":178140,"id":"CVE-2026-87499","ts":1789346377275,"field":"severity","old":"none","new":"high"},{"seq":176934,"id":"CVE-2026-87499","ts":1789343187361,"field":"cvss","old":"8.1","new":null},{"seq":176933,"id":"CVE-2026-87499","ts":1789343187361,"field":"severity","old":"high","new":"none"},{"seq":175051,"id":"CVE-2026-87499","ts":1789334883856,"field":"cvss","old":null,"new":"8.1"},{"seq":175050,"id":"CVE-2026-87499","ts":1789334883856,"field":"severity","old":"none","new":"high"},{"seq":173846,"id":"CVE-2026-87499","ts":1789333703031,"field":"cvss","old":"8.1","new":null},{"seq":173845,"id":"CVE-2026-87499","ts":1789333703031,"field":"severity","old":"high","new":"none"},{"seq":172660,"id":"CVE-2026-87499","ts":1789331096261,"field":"cvss","old":null,"new":"8.1"},{"seq":172659,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