{"id":"CVE-2017-8658","aliases":["EUVD-2022-3231","GHSA-8v2h-4jpm-3wfm"],"status":"published","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability\".","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.20066,"percentile":0.97464,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2017-08-11T01:00:00Z","modified":"2026-10-24T10:30:17Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.6.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}],"versions":["1.2.0","1.2.1","1.2.2","1.2.3","1.2.6.62716-preview","1.3.0","1.3.1","1.3.2","1.4.0","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.5.0","1.5.1","1.5.2","1.5.3","1.6.0"]}],"products":[{"vendor":"microsoft","product":"chakracore"},{"vendor":"microsoft corporation","product":"chakracore"}],"references":[{"url":"http://www.securityfocus.com/bid/100036","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8658","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/3509","tags":["web"]},{"url":"https://github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d","tags":["web"]},{"url":"https://web.archive.org/web/20210124090857/http://www.securityfocus.com/bid/100036","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8v2h-4jpm-3wfm"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2017-8658","description":"A remote code execution vulnerability exists in the way 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exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability\".","status":"published","published":"2017-08-11T01:29:02.29Z","modified":"2026-10-24T10:30:17.561477264Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"GHSA-8v2h-4jpm-3wfm","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability\".","status":"published","published":"2022-05-17T01:57:42Z","modified":"2024-02-16T08:18:46.095015Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}