{"id":"CVE-2018-8279","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8279","generatedAt":"2026-10-28T23:56:50.676Z","title":"A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka \"Microsoft Edge Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore.","description":"A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka \"Microsoft Edge Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8125, CVE-2018-8262, CVE-2018-8274, CVE-2018-8275, CVE-2018-8301.","published":"2018-07-11T00:29:01.000Z","lastModified":"2026-06-17T02:04:33.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-843"],"affected":["microsoft/edge","microsoft/chakracore"],"epss":{"score":0.70729,"percentile":0.99394,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.64476,"percentile":0.99225},{"date":"2026-09-22","score":0.70729,"percentile":0.99368}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-08-17","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45214,"kind":"exploit","title":"Microsoft Edge Chakra JIT - Parameter Scope Parsing Type Confusion","url":"https://www.exploit-db.com/exploits/45214","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/45214.js","file":"exploits/windows/dos/45214.js","published":"2018-08-17","added":"2018-08-17","updated":"2018-08-19","author":"Google Security Research","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2018-8279"],"tags":"Type Confusion","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1570"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 70.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.70729,"from":0.64476,"percentile":0.99368},"summary":"EPSS moved from 64.5% to 70.7% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/104641","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1041256","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8279","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/45214/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/104641","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1041256","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8279","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45214/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8279","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."}