{"id":"CVE-2020-0767","aliases":["EUVD-2022-3785","GHSA-fhc8-h6hr-h9mq"],"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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/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":0.17597,"percentile":0.97166,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-787"],"published":"2020-02-11T21:23:29Z","modified":"2026-10-24T10:31:04Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.11.16"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.16"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.16"}]}],"versions":["1.10.0","1.10.1","1.10.2","1.11.0","1.11.1","1.11.10","1.11.11","1.11.12","1.11.13","1.11.14","1.11.15","1.11.2","1.11.3","1.11.4","1.11.5","1.11.6","1.11.7","1.11.8","1.11.9","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"},{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1607 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1607 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1709 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1709 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1803 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1809 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for arm64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows 10 version 1909 for x64-based systems"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows server 2016"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based) on windows server 2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0767","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0767","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/6375","tags":["web"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/6375/commits/161c8957913ffb48bddef4423998b2eb642f35b3","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fhc8-h6hr-h9mq"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-0767","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2020-02-11T21:23:29Z","modified":"2024-08-04T06:11:05.564Z","updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2022-3785","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2020-02-11T21:23:29Z","modified":"2024-08-04T06:11:05Z","updated_at":"2026-11-03T03:08:17.347367Z"}],"ghsa":[{"id":"GHSA-fhc8-h6hr-h9mq","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2022-05-24T17:08:34Z","modified":"2023-07-13T17:10:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:36:57.310051Z"}],"nvd":[{"id":"CVE-2020-0767","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2020-02-11T22:15:22.93Z","modified":"2026-06-17T02:46:33.733Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:53.837808Z"}],"osv":[{"id":"CVE-2020-0767","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2020-02-11T22:15:22.93Z","modified":"2026-10-24T10:31:04.096033503Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:13.492058Z"},{"id":"GHSA-fhc8-h6hr-h9mq","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 CVE ID is unique from CVE-2020-0673, CVE-2020-0674, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713.","status":"published","published":"2022-05-24T17:08:34Z","modified":"2024-02-22T05:33:59.960344Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:46.39441Z"}]}}