{"id":"CVE-2018-8500","aliases":["EUVD-2022-3843","GHSA-fw42-4mq4-4qpq"],"status":"published","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","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":0.1847,"percentile":0.97263,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2018-10-10T13:00:00Z","modified":"2026-06-17T02:05:00Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.11.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.2"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.2"}]}],"versions":["1.10.0","1.10.1","1.10.2","1.11.0","1.11.1","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","1.6.2","1.7.0","1.7.1","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6","1.8.0","1.8.1","1.8.2","1.8.3","1.8.4","1.8.5"]}],"products":[{"vendor":"microsoft","product":"chakracore"}],"references":[{"url":"http://www.securityfocus.com/bid/105463","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8500","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8500","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/5764","tags":["web"]},{"url":"https://github.com/chakra-core/ChakraCore/commit/cd84a0b85b4b2bcf1653c7bfd5426bbc72b2b216","tags":["web"]},{"url":"https://web.archive.org/web/20210124210846/http://www.securityfocus.com/bid/105463","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fw42-4mq4-4qpq"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-8500","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","status":"published","published":"2018-10-10T13:00:00Z","modified":"2024-08-05T06:54:36.828Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2022-3843","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","status":"published","published":"2018-10-10T13:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-fw42-4mq4-4qpq","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","status":"published","published":"2022-05-13T01:20:55Z","modified":"2023-10-06T01:14:34Z","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-787"],"updated_at":"2026-11-02T14:37:08.278692Z"}],"nvd":[{"id":"CVE-2018-8500","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","status":"published","published":"2018-10-10T13:29:04.62Z","modified":"2026-06-17T02:05:00.187Z","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","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:44.873741Z"}],"osv":[{"id":"GHSA-fw42-4mq4-4qpq","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects ChakraCore.","status":"published","published":"2022-05-13T01:20:55Z","modified":"2024-02-16T08:14:29.440425Z","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-787"],"updated_at":"2026-11-02T15:46:47.119724Z"}]}}