{"id":"CVE-2026-87557","title":"Missing authorization in LocalNetworkAccess in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page","summary":"Missing authorization in LocalNetworkAccess in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security sever…","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":"2026-09-10T16:18:06.040","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87557","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/497635917","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87557.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87557"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87557"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T15:36:09.656742Z"},"epss":0.00221,"epssPercentile":0.12878,"scores":{"nvd":4.3,"vendor":5.7,"adp":4.3},"ingestedAt":"2026-09-09T01:17:17.510Z","slug":"CVE-2026-87557","body":"## Overview\n\nMissing authorization in LocalNetworkAccess in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process 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-2026-87557.json)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202424,"id":"CVE-2026-87557","ts":1789400073530,"field":"cvss","old":null,"new":"4.3"},{"seq":202423,"id":"CVE-2026-87557","ts":1789400073530,"field":"severity","old":"none","new":"medium"},{"seq":201151,"id":"CVE-2026-87557","ts":1789397620098,"field":"cvss","old":"4.3","new":null},{"seq":201150,"id":"CVE-2026-87557","ts":1789397620098,"field":"severity","old":"medium","new":"none"},{"seq":199844,"id":"CVE-2026-87557","ts":1789395578064,"field":"cvss","old":null,"new":"4.3"},{"seq":199843,"id":"CVE-2026-87557","ts":1789395578064,"field":"severity","old":"none","new":"medium"},{"seq":199085,"id":"CVE-2026-87557","ts":1789392260184,"field":"cvss","old":"4.3","new":null},{"seq":199084,"id":"CVE-2026-87557","ts":1789392260184,"field":"severity","old":"medium","new":"none"},{"seq":197418,"id":"CVE-2026-87557","ts":1789384296729,"field":"cvss","old":null,"new":"4.3"},{"seq":197417,"id":"CVE-2026-87557","ts":1789384296729,"field":"severity","old":"none","new":"medium"},{"seq":196692,"id":"CVE-2026-87557","ts":1789383770607,"field":"cvss","old":"4.3","new":null},{"seq":196691,"id":"CVE-2026-87557","ts":1789383770607,"field":"severity","old":"medium","new":"none"},{"seq":195596,"id":"CVE-2026-87557","ts":1789380578101,"field":"cvss","old":null,"new":"4.3"},{"seq":195595,"id":"CVE-2026-87557","ts":1789380578101,"field":"severity","old":"none","new":"medium"},{"seq":194547,"id":"CVE-2026-87557","ts":1789378789331,"field":"cvss","old":"4.3","new":null},{"seq":194546,"id":"CVE-2026-87557","ts":1789378789331,"field":"severity","old":"medium","new":"none"},{"seq":193334,"id":"CVE-2026-87557","ts":1789376520747,"field":"cvss","old":null,"new":"4.3"},{"seq":193333,"id":"CVE-2026-87557","ts":1789376520747,"field":"severity","old":"none","new":"medium"},{"seq":192121,"id":"CVE-2026-87557","ts":1789373639127,"field":"cvss","old":"4.3","new":null},{"seq":192120,"id":"CVE-2026-87557","ts":1789373639127,"field":"severity","old":"medium","new":"none"},{"seq":190906,"id":"CVE-2026-87557","ts":1789369487655,"field":"cvss","old":null,"new":"4.3"},{"seq":190905,"id":"CVE-2026-87557","ts":1789369487655,"field":"severity","old":"none","new":"medium"},{"seq":189693,"id":"CVE-2026-87557","ts":1789368460712,"field":"cvss","old":"4.3","new":null},{"seq":189692,"id":"CVE-2026-87557","ts":1789368460712,"field":"severity","old":"medium","new":"none"},{"seq":188476,"id":"CVE-2026-87557","ts":1789365236670,"field":"cvss","old":null,"new":"4.3"},{"seq":188475,"id":"CVE-2026-87557","ts":1789365236670,"field":"severity","old":"none","new":"medium"},{"seq":187263,"id":"CVE-2026-87557","ts":1789363480050,"field":"cvss","old":"4.3","new":null},{"seq":187262,"id":"CVE-2026-87557","ts":1789363480050,"field":"severity","old":"medium","new":"none"},{"seq":186049,"id":"CVE-2026-87557","ts":1789361235315,"field":"cvss","old":null,"new":"4.3"},{"seq":186048,"id":"CVE-2026-87557","ts":1789361235315,"field":"severity","old":"none","new":"medium"},{"seq":184836,"id":"CVE-2026-87557","ts":1789358377054,"field":"cvss","old":"4.3","new":null},{"seq":184835,"id":"CVE-2026-87557","ts":1789358377054,"field":"severity","old":"medium","new":"none"},{"seq":183085,"id":"CVE-2026-87557","ts":1789354323171,"field":"cvss","old":null,"new":"4.3"},{"seq":183084,"id":"CVE-2026-87557","ts":1789354323171,"field":"severity","old":"none","new":"medium"},{"seq":181878,"id":"CVE-2026-87557","ts":1789353335029,"field":"cvss","old":"4.3","new":null},{"seq":181877,"id":"CVE-2026-87557","ts":1789353335029,"field":"severity","old":"medium","new":"none"},{"seq":180671,"id":"CVE-2026-87557","ts":1789350290668,"field":"cvss","old":null,"new":"4.3"},{"seq":180670,"id":"CVE-2026-87557","ts":1789350290668,"field":"severity","old":"none","new":"medium"},{"seq":179464,"id":"CVE-2026-87557","ts":1789348308320,"field":"cvss","old":"4.3","new":null},{"seq":179463,"id":"CVE-2026-87557","ts":1789348308320,"field":"severity","old":"medium","new":"none"},{"seq":178257,"id":"CVE-2026-87557","ts":1789346377670,"field":"cvss","old":null,"new":"4.3"},{"seq":178256,"id":"CVE-2026-87557","ts":1789346377670,"field":"severity","old":"none","new":"medium"},{"seq":177050,"id":"CVE-2026-87557","ts":1789343188266,"field":"cvss","old":"4.3","new":null},{"seq":177049,"id":"CVE-2026-87557","ts":1789343188266,"field":"severity","old":"medium","new":"none"},{"seq":175167,"id":"CVE-2026-87557","ts":1789334884317,"field":"cvss","old":null,"new":"4.3"},{"seq":175166,"id":"CVE-2026-87557","ts":1789334884317,"field":"severity","old":"none","new":"medium"},{"seq":173962,"id":"CVE-2026-87557","ts":1789333703444,"field":"cvss","old":"4.3","new":null},{"seq":173961,"id":"CVE-2026-87557","ts":1789333703444,"field":"severity","old":"medium","new":"none"},{"seq":172776,"id":"CVE-2026-87557","ts":1789331096679,"field"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