{"id":"CVE-2026-87446","title":"Incomplete cleanup in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension","summary":"Incomplete cleanup in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)","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-459"],"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":"2026-09-10T19:18:15.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87446","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/483435192","label":"chrome-cve-admin@google.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87446.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-87446"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87446"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T15:33:32.704837Z"},"epss":0.00309,"epssPercentile":0.21195,"scores":{"nvd":6.5,"vendor":8.2,"adp":6.5},"ingestedAt":"2026-09-09T01:17:17.512Z","slug":"CVE-2026-87446","body":"## Overview\n\nIncomplete cleanup in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (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-2026-87446.json)","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202197,"id":"CVE-2026-87446","ts":1789400065020,"field":"cvss","old":null,"new":"6.5"},{"seq":202196,"id":"CVE-2026-87446","ts":1789400065020,"field":"severity","old":"none","new":"medium"},{"seq":200924,"id":"CVE-2026-87446","ts":1789397618572,"field":"cvss","old":"6.5","new":null},{"seq":200923,"id":"CVE-2026-87446","ts":1789397618572,"field":"severity","old":"medium","new":"none"},{"seq":199617,"id":"CVE-2026-87446","ts":1789395562249,"field":"cvss","old":null,"new":"6.5"},{"seq":199616,"id":"CVE-2026-87446","ts":1789395562249,"field":"severity","old":"none","new":"medium"},{"seq":198862,"id":"CVE-2026-87446","ts":1789392250611,"field":"cvss","old":"6.5","new":null},{"seq":198861,"id":"CVE-2026-87446","ts":1789392250611,"field":"severity","old":"medium","new":"none"},{"seq":197195,"id":"CVE-2026-87446","ts":1789384296001,"field":"cvss","old":null,"new":"6.5"},{"seq":197194,"id":"CVE-2026-87446","ts":1789384296001,"field":"severity","old":"none","new":"medium"},{"seq":196469,"id":"CVE-2026-87446","ts":1789383757853,"field":"cvss","old":"6.5","new":null},{"seq":196468,"id":"CVE-2026-87446","ts":1789383757853,"field":"severity","old":"medium","new":"none"},{"seq":195373,"id":"CVE-2026-87446","ts":1789380576812,"field":"cvss","old":null,"new":"6.5"},{"seq":195372,"id":"CVE-2026-87446","ts":1789380576812,"field":"severity","old":"none","new":"medium"},{"seq":194324,"id":"CVE-2026-87446","ts":1789378785216,"field":"cvss","old":"6.5","new":null},{"seq":194323,"id":"CVE-2026-87446","ts":1789378785216,"field":"severity","old":"medium","new":"none"},{"seq":193111,"id":"CVE-2026-87446","ts":1789376519928,"field":"cvss","old":null,"new":"6.5"},{"seq":193110,"id":"CVE-2026-87446","ts":1789376519928,"field":"severity","old":"none","new":"medium"},{"seq":191898,"id":"CVE-2026-87446","ts":1789373633461,"field":"cvss","old":"6.5","new":null},{"seq":191897,"id":"CVE-2026-87446","ts":1789373633461,"field":"severity","old":"medium","new":"none"},{"seq":190683,"id":"CVE-2026-87446","ts":1789369486477,"field":"cvss","old":null,"new":"6.5"},{"seq":190682,"id":"CVE-2026-87446","ts":1789369486477,"field":"severity","old":"none","new":"medium"},{"seq":189470,"id":"CVE-2026-87446","ts":1789368451661,"field":"cvss","old":"6.5","new":null},{"seq":189469,"id":"CVE-2026-87446","ts":1789368451661,"field":"severity","old":"medium","new":"none"},{"seq":188253,"id":"CVE-2026-87446","ts":1789365235909,"field":"cvss","old":null,"new":"6.5"},{"seq":188252,"id":"CVE-2026-87446","ts":1789365235909,"field":"severity","old":"none","new":"medium"},{"seq":187040,"id":"CVE-2026-87446","ts":1789363473272,"field":"cvss","old":"6.5","new":null},{"seq":187039,"id":"CVE-2026-87446","ts":1789363473272,"field":"severity","old":"medium","new":"none"},{"seq":185826,"id":"CVE-2026-87446","ts":1789361234537,"field":"cvss","old":null,"new":"6.5"},{"seq":185825,"id":"CVE-2026-87446","ts":1789361234537,"field":"severity","old":"none","new":"medium"},{"seq":184613,"id":"CVE-2026-87446","ts":1789358366672,"field":"cvss","old":"6.5","new":null},{"seq":184612,"id":"CVE-2026-87446","ts":1789358366672,"field":"severity","old":"medium","new":"none"},{"seq":182863,"id":"CVE-2026-87446","ts":1789354322284,"field":"cvss","old":null,"new":"6.5"},{"seq":182862,"id":"CVE-2026-87446","ts":1789354322284,"field":"severity","old":"none","new":"medium"},{"seq":181656,"id":"CVE-2026-87446","ts":1789353326139,"field":"cvss","old":"6.5","new":null},{"seq":181655,"id":"CVE-2026-87446","ts":1789353326139,"field":"severity","old":"medium","new":"none"},{"seq":180449,"id":"CVE-2026-87446","ts":1789350289863,"field":"cvss","old":null,"new":"6.5"},{"seq":180448,"id":"CVE-2026-87446","ts":1789350289863,"field":"severity","old":"none","new":"medium"},{"seq":179242,"id":"CVE-2026-87446","ts":1789348297634,"field":"cvss","old":"6.5","new":null},{"seq":179241,"id":"CVE-2026-87446","ts":1789348297634,"field":"severity","old":"medium","new":"none"},{"seq":178035,"id":"CVE-2026-87446","ts":1789346376917,"field":"cvss","old":null,"new":"6.5"},{"seq":178034,"id":"CVE-2026-87446","ts":1789346376917,"field":"severity","old":"none","new":"medium"},{"seq":176828,"id":"CVE-2026-87446","ts":1789343186625,"field":"cvss","old":"6.5","new":null},{"seq":176827,"id":"CVE-2026-87446","ts":1789343186625,"field":"severity","old":"medium","new":"none"},{"seq":174945,"id":"CVE-2026-87446","ts":1789334883440,"field":"cvss","old":null,"new":"6.5"},{"seq":174944,"id":"CVE-2026-87446","ts":1789334883440,"field":"severity","old":"none","new":"medium"},{"seq":173740,"id":"CVE-2026-87446","ts":1789333702654,"field":"cvss","old":"6.5","new":null},{"seq":173739,"id":"CVE-2026-87446","ts":1789333702654,"field":"severity","old":"medium","new":"none"},{"seq":172554,"id":"CVE-2026-87446","ts":1789331095891,"fiel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