{"id":"CVE-2026-87447","title":"Incorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension","summary":"Incorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: High)","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-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":"2026-09-10T19:17:47.923","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87447","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/503464711","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T15:24:19.778748Z"},"epss":0.00278,"epssPercentile":0.20506,"ingestedAt":"2026-09-09T01:17:17.513Z","slug":"CVE-2026-87447","body":"## Overview\n\nIncorrect authorization in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (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`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202199,"id":"CVE-2026-87447","ts":1789400065027,"field":"cvss","old":null,"new":"6.5"},{"seq":202198,"id":"CVE-2026-87447","ts":1789400065027,"field":"severity","old":"none","new":"medium"},{"seq":200926,"id":"CVE-2026-87447","ts":1789397618586,"field":"cvss","old":"6.5","new":null},{"seq":200925,"id":"CVE-2026-87447","ts":1789397618586,"field":"severity","old":"medium","new":"none"},{"seq":199619,"id":"CVE-2026-87447","ts":1789395562405,"field":"cvss","old":null,"new":"6.5"},{"seq":199618,"id":"CVE-2026-87447","ts":1789395562405,"field":"severity","old":"none","new":"medium"},{"seq":198864,"id":"CVE-2026-87447","ts":1789392250762,"field":"cvss","old":"6.5","new":null},{"seq":198863,"id":"CVE-2026-87447","ts":1789392250762,"field":"severity","old":"medium","new":"none"},{"seq":197197,"id":"CVE-2026-87447","ts":1789384296007,"field":"cvss","old":null,"new":"6.5"},{"seq":197196,"id":"CVE-2026-87447","ts":1789384296007,"field":"severity","old":"none","new":"medium"},{"seq":196471,"id":"CVE-2026-87447","ts":1789383757859,"field":"cvss","old":"6.5","new":null},{"seq":196470,"id":"CVE-2026-87447","ts":1789383757859,"field":"severity","old":"medium","new":"none"},{"seq":195375,"id":"CVE-2026-87447","ts":1789380576819,"field":"cvss","old":null,"new":"6.5"},{"seq":195374,"id":"CVE-2026-87447","ts":1789380576819,"field":"severity","old":"none","new":"medium"},{"seq":194326,"id":"CVE-2026-87447","ts":1789378785230,"field":"cvss","old":"6.5","new":null},{"seq":194325,"id":"CVE-2026-87447","ts":1789378785230,"field":"severity","old":"medium","new":"none"},{"seq":193113,"id":"CVE-2026-87447","ts":1789376519935,"field":"cvss","old":null,"new":"6.5"},{"seq":193112,"id":"CVE-2026-87447","ts":1789376519935,"field":"severity","old":"none","new":"medium"},{"seq":191900,"id":"CVE-2026-87447","ts":1789373633475,"field":"cvss","old":"6.5","new":null},{"seq":191899,"id":"CVE-2026-87447","ts":1789373633475,"field":"severity","old":"medium","new":"none"},{"seq":190685,"id":"CVE-2026-87447","ts":1789369486485,"field":"cvss","old":null,"new":"6.5"},{"seq":190684,"id":"CVE-2026-87447","ts":1789369486485,"field":"severity","old":"none","new":"medium"},{"seq":189472,"id":"CVE-2026-87447","ts":1789368451800,"field":"cvss","old":"6.5","new":null},{"seq":189471,"id":"CVE-2026-87447","ts":1789368451800,"field":"severity","old":"medium","new":"none"},{"seq":188255,"id":"CVE-2026-87447","ts":1789365235917,"field":"cvss","old":null,"new":"6.5"},{"seq":188254,"id":"CVE-2026-87447","ts":1789365235917,"field":"severity","old":"none","new":"medium"},{"seq":187042,"id":"CVE-2026-87447","ts":1789363473285,"field":"cvss","old":"6.5","new":null},{"seq":187041,"id":"CVE-2026-87447","ts":1789363473285,"field":"severity","old":"medium","new":"none"},{"seq":185828,"id":"CVE-2026-87447","ts":1789361234544,"field":"cvss","old":null,"new":"6.5"},{"seq":185827,"id":"CVE-2026-87447","ts":1789361234544,"field":"severity","old":"none","new":"medium"},{"seq":184615,"id":"CVE-2026-87447","ts":1789358366713,"field":"cvss","old":"6.5","new":null},{"seq":184614,"id":"CVE-2026-87447","ts":1789358366713,"field":"severity","old":"medium","new":"none"},{"seq":182865,"id":"CVE-2026-87447","ts":1789354322292,"field":"cvss","old":null,"new":"6.5"},{"seq":182864,"id":"CVE-2026-87447","ts":1789354322292,"field":"severity","old":"none","new":"medium"},{"seq":181658,"id":"CVE-2026-87447","ts":1789353326272,"field":"cvss","old":"6.5","new":null},{"seq":181657,"id":"CVE-2026-87447","ts":1789353326272,"field":"severity","old":"medium","new":"none"},{"seq":180451,"id":"CVE-2026-87447","ts":1789350289870,"field":"cvss","old":null,"new":"6.5"},{"seq":180450,"id":"CVE-2026-87447","ts":1789350289870,"field":"severity","old":"none","new":"medium"},{"seq":179244,"id":"CVE-2026-87447","ts":1789348297793,"field":"cvss","old":"6.5","new":null},{"seq":179243,"id":"CVE-2026-87447","ts":1789348297793,"field":"severity","old":"medium","new":"none"},{"seq":178037,"id":"CVE-2026-87447","ts":1789346376923,"field":"cvss","old":null,"new":"6.5"},{"seq":178036,"id":"CVE-2026-87447","ts":1789346376923,"field":"severity","old":"none","new":"medium"},{"seq":176830,"id":"CVE-2026-87447","ts":1789343186639,"field":"cvss","old":"6.5","new":null},{"seq":176829,"id":"CVE-2026-87447","ts":1789343186639,"field":"severity","old":"medium","new":"none"},{"seq":174947,"id":"CVE-2026-87447","ts":1789334883448,"field":"cvss","old":null,"new":"6.5"},{"seq":174946,"id":"CVE-2026-87447","ts":1789334883448,"field":"severity","old":"none","new":"medium"},{"seq":173742,"id":"CVE-2026-87447","ts":1789333702661,"field":"cvss","old":"6.5","new":null},{"seq":173741,"id":"CVE-2026-87447","ts":1789333702661,"field":"severity","old":"medium","new":"none"},{"seq":172556,"id":"CVE-2026-87447","ts":1789331095898,"field":"cvss","old":null,"new":"6.5"},{"seq":172555,"id":"CVE-2026-87447"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