{"id":"CVE-2026-87646","title":"Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page","summary":"Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-416"],"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":"2026-09-10T04:18:31.383","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87646","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/539754136","label":"chrome-cve-admin@google.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T13:30:32.964913Z"},"epss":0.00358,"epssPercentile":0.29597,"ingestedAt":"2026-09-09T01:17:17.512Z","slug":"CVE-2026-87646","body":"## Overview\n\nUse after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox 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`","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":52.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202603,"id":"CVE-2026-87646","ts":1789400086190,"field":"cvss","old":null,"new":"9.6"},{"seq":202602,"id":"CVE-2026-87646","ts":1789400086190,"field":"severity","old":"none","new":"critical"},{"seq":201330,"id":"CVE-2026-87646","ts":1789397620755,"field":"cvss","old":"9.6","new":null},{"seq":201329,"id":"CVE-2026-87646","ts":1789397620755,"field":"severity","old":"critical","new":"none"},{"seq":200023,"id":"CVE-2026-87646","ts":1789395578687,"field":"cvss","old":null,"new":"9.6"},{"seq":200022,"id":"CVE-2026-87646","ts":1789395578687,"field":"severity","old":"none","new":"critical"},{"seq":199260,"id":"CVE-2026-87646","ts":1789392260809,"field":"cvss","old":"9.6","new":null},{"seq":199259,"id":"CVE-2026-87646","ts":1789392260809,"field":"severity","old":"critical","new":"none"},{"seq":197593,"id":"CVE-2026-87646","ts":1789384297302,"field":"cvss","old":null,"new":"9.6"},{"seq":197592,"id":"CVE-2026-87646","ts":1789384297302,"field":"severity","old":"none","new":"critical"},{"seq":196867,"id":"CVE-2026-87646","ts":1789383782572,"field":"cvss","old":"9.6","new":null},{"seq":196866,"id":"CVE-2026-87646","ts":1789383782572,"field":"severity","old":"critical","new":"none"},{"seq":195771,"id":"CVE-2026-87646","ts":1789380578703,"field":"cvss","old":null,"new":"9.6"},{"seq":195770,"id":"CVE-2026-87646","ts":1789380578703,"field":"severity","old":"none","new":"critical"},{"seq":194722,"id":"CVE-2026-87646","ts":1789378789959,"field":"cvss","old":"9.6","new":null},{"seq":194721,"id":"CVE-2026-87646","ts":1789378789959,"field":"severity","old":"critical","new":"none"},{"seq":193509,"id":"CVE-2026-87646","ts":1789376521556,"field":"cvss","old":null,"new":"9.6"},{"seq":193508,"id":"CVE-2026-87646","ts":1789376521556,"field":"severity","old":"none","new":"critical"},{"seq":192296,"id":"CVE-2026-87646","ts":1789373639770,"field":"cvss","old":"9.6","new":null},{"seq":192295,"id":"CVE-2026-87646","ts":1789373639770,"field":"severity","old":"critical","new":"none"},{"seq":191081,"id":"CVE-2026-87646","ts":1789369489193,"field":"cvss","old":null,"new":"9.6"},{"seq":191080,"id":"CVE-2026-87646","ts":1789369489193,"field":"severity","old":"none","new":"critical"},{"seq":189868,"id":"CVE-2026-87646","ts":1789368461334,"field":"cvss","old":"9.6","new":null},{"seq":189867,"id":"CVE-2026-87646","ts":1789368461334,"field":"severity","old":"critical","new":"none"},{"seq":188651,"id":"CVE-2026-87646","ts":1789365237287,"field":"cvss","old":null,"new":"9.6"},{"seq":188650,"id":"CVE-2026-87646","ts":1789365237287,"field":"severity","old":"none","new":"critical"},{"seq":187438,"id":"CVE-2026-87646","ts":1789363480677,"field":"cvss","old":"9.6","new":null},{"seq":187437,"id":"CVE-2026-87646","ts":1789363480677,"field":"severity","old":"critical","new":"none"},{"seq":186224,"id":"CVE-2026-87646","ts":1789361235965,"field":"cvss","old":null,"new":"9.6"},{"seq":186223,"id":"CVE-2026-87646","ts":1789361235965,"field":"severity","old":"none","new":"critical"},{"seq":185011,"id":"CVE-2026-87646","ts":1789358384635,"field":"cvss","old":"9.6","new":null},{"seq":185010,"id":"CVE-2026-87646","ts":1789358384635,"field":"severity","old":"critical","new":"none"},{"seq":183260,"id":"CVE-2026-87646","ts":1789354323878,"field":"cvss","old":null,"new":"9.6"},{"seq":183259,"id":"CVE-2026-87646","ts":1789354323878,"field":"severity","old":"none","new":"critical"},{"seq":182053,"id":"CVE-2026-87646","ts":1789353335661,"field":"cvss","old":"9.6","new":null},{"seq":182052,"id":"CVE-2026-87646","ts":1789353335661,"field":"severity","old":"critical","new":"none"},{"seq":180846,"id":"CVE-2026-87646","ts":1789350291286,"field":"cvss","old":null,"new":"9.6"},{"seq":180845,"id":"CVE-2026-87646","ts":1789350291286,"field":"severity","old":"none","new":"critical"},{"seq":179639,"id":"CVE-2026-87646","ts":1789348308987,"field":"cvss","old":"9.6","new":null},{"seq":179638,"id":"CVE-2026-87646","ts":1789348308987,"field":"severity","old":"critical","new":"none"},{"seq":178432,"id":"CVE-2026-87646","ts":1789346378291,"field":"cvss","old":null,"new":"9.6"},{"seq":178431,"id":"CVE-2026-87646","ts":1789346378291,"field":"severity","old":"none","new":"critical"},{"seq":177225,"id":"CVE-2026-87646","ts":1789343188950,"field":"cvss","old":"9.6","new":null},{"seq":177224,"id":"CVE-2026-87646","ts":1789343188950,"field":"severity","old":"critical","new":"none"},{"seq":175342,"id":"CVE-2026-87646","ts":1789334885014,"field":"cvss","old":null,"new":"9.6"},{"seq":175341,"id":"CVE-2026-87646","ts":1789334885014,"field":"severity","old":"none","new":"critical"},{"seq":174137,"id":"CVE-2026-87646","ts":1789333704066,"field":"cvss","old":"9.6","new":null},{"seq":174136,"id":"CVE-2026-87646","ts":1789333704066,"field":"severity","old":"critical","new":"none"},{"seq":172951,"id":"CVE-2026-87646","ts":1789331097293,"field":"cvss","old":nul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