{"id":"CVE-2018-8463","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8463","generatedAt":"2026-10-28T22:08:30.955Z","title":"An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft Edge Elevation of Privilege Vulnerability.\" This affects Microsoft Edge.","description":"An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft Edge Elevation of Privilege Vulnerability.\" This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8469.","published":"2018-09-13T00:29:06.000Z","lastModified":"2026-06-17T02:04:56.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.4,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N"},"cwe":[],"affected":["microsoft/edge"],"epss":{"score":0.15417,"percentile":0.96773,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.13185,"percentile":0.96254},{"date":"2026-09-22","score":0.15417,"percentile":0.96632}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-09-27","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45502,"kind":"exploit","title":"Microsoft Edge - Sandbox Escape","url":"https://www.exploit-db.com/exploits/45502","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/45502.txt","file":"exploits/windows/remote/45502.txt","published":"2018-09-27","added":"2018-09-27","updated":"2018-09-28","author":"Google Security Research","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-8469","CVE-2018-8468","CVE-2018-8463"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1598&can=1&q=&sort=-modified%20-id&colspec=ID%20Status%20Owner%20Summary%20Modified&desc=5"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 15.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/105260","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041623","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8463","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/45502/","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/105260","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041623","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8463","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45502/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8463","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}