{"id":"CVE-2026-87606","title":"Missing authorization in SiteIsolation 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":"Missing authorization in SiteIsolation 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: Medium)","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-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":"2026-09-11T13:57:30.703","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87606","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/495933780","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87606.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87606"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87606"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.0024,"epssPercentile":0.15396,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T15:34:20.876138Z"},"scores":{"nvd":8.1,"vendor":5.4,"adp":8.1},"ingestedAt":"2026-09-09T01:17:17.511Z","slug":"CVE-2026-87606","body":"## Overview\n\nMissing authorization in SiteIsolation 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: 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-2026-87606.json)","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202523,"id":"CVE-2026-87606","ts":1789400085797,"field":"cvss","old":null,"new":"8.1"},{"seq":202522,"id":"CVE-2026-87606","ts":1789400085797,"field":"severity","old":"none","new":"high"},{"seq":201250,"id":"CVE-2026-87606","ts":1789397620460,"field":"cvss","old":"8.1","new":null},{"seq":201249,"id":"CVE-2026-87606","ts":1789397620460,"field":"severity","old":"high","new":"none"},{"seq":199943,"id":"CVE-2026-87606","ts":1789395578401,"field":"cvss","old":null,"new":"8.1"},{"seq":199942,"id":"CVE-2026-87606","ts":1789395578401,"field":"severity","old":"none","new":"high"},{"seq":199184,"id":"CVE-2026-87606","ts":1789392260520,"field":"cvss","old":"8.1","new":null},{"seq":199183,"id":"CVE-2026-87606","ts":1789392260520,"field":"severity","old":"high","new":"none"},{"seq":197517,"id":"CVE-2026-87606","ts":1789384297040,"field":"cvss","old":null,"new":"8.1"},{"seq":197516,"id":"CVE-2026-87606","ts":1789384297040,"field":"severity","old":"none","new":"high"},{"seq":196791,"id":"CVE-2026-87606","ts":1789383777040,"field":"cvss","old":"8.1","new":null},{"seq":196790,"id":"CVE-2026-87606","ts":1789383777040,"field":"severity","old":"high","new":"none"},{"seq":195695,"id":"CVE-2026-87606","ts":1789380578428,"field":"cvss","old":null,"new":"8.1"},{"seq":195694,"id":"CVE-2026-87606","ts":1789380578428,"field":"severity","old":"none","new":"high"},{"seq":194646,"id":"CVE-2026-87606","ts":1789378789666,"field":"cvss","old":"8.1","new":null},{"seq":194645,"id":"CVE-2026-87606","ts":1789378789666,"field":"severity","old":"high","new":"none"},{"seq":193433,"id":"CVE-2026-87606","ts":1789376521106,"field":"cvss","old":null,"new":"8.1"},{"seq":193432,"id":"CVE-2026-87606","ts":1789376521106,"field":"severity","old":"none","new":"high"},{"seq":192220,"id":"CVE-2026-87606","ts":1789373639481,"field":"cvss","old":"8.1","new":null},{"seq":192219,"id":"CVE-2026-87606","ts":1789373639481,"field":"severity","old":"high","new":"none"},{"seq":191005,"id":"CVE-2026-87606","ts":1789369488092,"field":"cvss","old":null,"new":"8.1"},{"seq":191004,"id":"CVE-2026-87606","ts":1789369488092,"field":"severity","old":"none","new":"high"},{"seq":189792,"id":"CVE-2026-87606","ts":1789368461051,"field":"cvss","old":"8.1","new":null},{"seq":189791,"id":"CVE-2026-87606","ts":1789368461051,"field":"severity","old":"high","new":"none"},{"seq":188575,"id":"CVE-2026-87606","ts":1789365237010,"field":"cvss","old":null,"new":"8.1"},{"seq":188574,"id":"CVE-2026-87606","ts":1789365237010,"field":"severity","old":"none","new":"high"},{"seq":187362,"id":"CVE-2026-87606","ts":1789363480394,"field":"cvss","old":"8.1","new":null},{"seq":187361,"id":"CVE-2026-87606","ts":1789363480394,"field":"severity","old":"high","new":"none"},{"seq":186148,"id":"CVE-2026-87606","ts":1789361235684,"field":"cvss","old":null,"new":"8.1"},{"seq":186147,"id":"CVE-2026-87606","ts":1789361235684,"field":"severity","old":"none","new":"high"},{"seq":184935,"id":"CVE-2026-87606","ts":1789358378929,"field":"cvss","old":"8.1","new":null},{"seq":184934,"id":"CVE-2026-87606","ts":1789358378929,"field":"severity","old":"high","new":"none"},{"seq":183184,"id":"CVE-2026-87606","ts":1789354323555,"field":"cvss","old":null,"new":"8.1"},{"seq":183183,"id":"CVE-2026-87606","ts":1789354323555,"field":"severity","old":"none","new":"high"},{"seq":181977,"id":"CVE-2026-87606","ts":1789353335364,"field":"cvss","old":"8.1","new":null},{"seq":181976,"id":"CVE-2026-87606","ts":1789353335364,"field":"severity","old":"high","new":"none"},{"seq":180770,"id":"CVE-2026-87606","ts":1789350291007,"field":"cvss","old":null,"new":"8.1"},{"seq":180769,"id":"CVE-2026-87606","ts":1789350291007,"field":"severity","old":"none","new":"high"},{"seq":179563,"id":"CVE-2026-87606","ts":1789348308691,"field":"cvss","old":"8.1","new":null},{"seq":179562,"id":"CVE-2026-87606","ts":1789348308691,"field":"severity","old":"high","new":"none"},{"seq":178356,"id":"CVE-2026-87606","ts":1789346378011,"field":"cvss","old":null,"new":"8.1"},{"seq":178355,"id":"CVE-2026-87606","ts":1789346378011,"field":"severity","old":"none","new":"high"},{"seq":177149,"id":"CVE-2026-87606","ts":1789343188657,"field":"cvss","old":"8.1","new":null},{"seq":177148,"id":"CVE-2026-87606","ts":1789343188657,"field":"severity","old":"high","new":"none"},{"seq":175266,"id":"CVE-2026-87606","ts":1789334884693,"field":"cvss","old":null,"new":"8.1"},{"seq":175265,"id":"CVE-2026-87606","ts":1789334884693,"field":"severity","old":"none","new":"high"},{"seq":174061,"id":"CVE-2026-87606","ts":1789333703784,"field":"cvss","old":"8.1","new":null},{"seq":174060,"id":"CVE-2026-87606","ts":1789333703784,"field":"severity","old":"high","new":"none"},{"seq":172875,"id":"CVE-2026-87606","ts":1789331097012,"field":"cvss","old":null,"new":"8.1"},{"seq":172874,"id":"CVE-2026-87606","ts":1789331097012,"field":"severity","old":"none","new":"high"}]}