{"id":"CVE-2018-0818","aliases":["EUVD-2022-3837","GHSA-fv8m-p45w-gf38"],"status":"published","title":"ChakraCore RCE Vulnerability","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03686,"percentile":0.89769,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-01-10T01:00:00Z","modified":"2026-06-17T01:31:43Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.8.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0"}]}],"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","1.6.2","1.7.0","1.7.1","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6"]}],"products":[{"vendor":"microsoft","product":"chakracore"},{"vendor":"microsoft corporation","product":"chakracore"}],"references":[{"url":"http://www.securityfocus.com/bid/102412","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-2018-0818","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0818","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/4427","tags":["web"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/4427/commits/84368681cf5cf1d33364638e2cd463ad1b13eba6","tags":["web"]},{"url":"https://web.archive.org/web/20210124130147/http://www.securityfocus.com/bid/102412","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fv8m-p45w-gf38"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-0818","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","status":"published","published":"2018-01-10T01:00:00Z","modified":"2024-09-16T20:57:52.853Z","updated_at":"2026-11-02T14:35:12.160284Z"}],"euvd":[{"id":"EUVD-2022-3837","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","status":"published","published":"2018-01-10T01:00:00Z","modified":"2024-09-16T20:57:52Z","updated_at":"2026-11-03T00:55:09.505787Z"}],"ghsa":[{"id":"GHSA-fv8m-p45w-gf38","title":"ChakraCore RCE Vulnerability","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","status":"published","published":"2022-05-13T01:48:24Z","modified":"2023-10-06T01:41:21Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:37:08.278692Z"}],"nvd":[{"id":"CVE-2018-0818","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","status":"published","published":"2018-01-10T01:29:01.057Z","modified":"2026-06-17T01:31:43.653Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:M/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:04:22.309028Z"}],"osv":[{"id":"GHSA-fv8m-p45w-gf38","title":"ChakraCore RCE Vulnerability","description":"Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka \"Scripting Engine Security Feature Bypass\".","status":"published","published":"2022-05-13T01:48:24Z","modified":"2024-11-28T05:36:34.098812Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:46.760785Z"}]}}