{"id":"CVE-2020-0969","aliases":["GHSA-jr84-p554-62pm"],"url":"https://o3.security/vulnerability/CVE-2020-0969","summary":"ChakraCore RCE Vulnerability","details":"A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based), aka 'Chakra Scripting Engine Memory Corruption Vulnerability'.","published":"2020-04-15T15:15:18.167Z","modified":"2026-08-27T08:13:55.673496Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.13303,"percentile":0.96165,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.ChakraCore","fixedVersion":"1.11.18"}],"fix":{"url":"https://github.com/chakra-core/ChakraCore/pull/6420","label":"chakra-core/ChakraCore#6420"},"references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0969"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0969"},{"type":"WEB","url":"https://github.com/chakra-core/ChakraCore/pull/6420"},{"type":"WEB","url":"https://github.com/chakra-core/ChakraCore/commit/cd58e8e6799ab11b02a1cfc30bac9a2171dabd4d"},{"type":"PACKAGE","url":"https://github.com/chakra-core/ChakraCore"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:13:55.673496Z"}}