{"id":"CVE-2016-3259","aliases":["EUVD-2022-5590","GHSA-wm27-49x2-mg9q"],"status":"published","title":"ChakraCore RCE Vulnerability","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.34792,"percentile":0.98438,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2016-07-13T01:00:00Z","modified":"2026-06-17T00:45:23Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.2.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0.0"}]}]}],"products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"http://www.securitytracker.com/id/1036283","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/91581","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-084","tags":["vendor-advisory","x_refsource_MS","x_transferred","web"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-085","tags":["vendor-advisory","x_refsource_MS","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3259","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/pull/1291","tags":["web"]},{"url":"https://github.com/chakra-core/ChakraCore/commit/17f3d4a4852dcc9e48de7091685b1862afb9f307","tags":["web"]},{"url":"https://web.archive.org/web/20210125172712/http://www.securityfocus.com/bid/91581","tags":["web"]},{"url":"https://web.archive.org/web/20211202003833/http://www.securitytracker.com/id/1036283","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wm27-49x2-mg9q"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-3259","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","status":"published","published":"2016-07-13T01:00:00Z","modified":"2024-08-05T23:47:58.378Z","updated_at":"2026-11-02T14:33:33.758954Z"}],"euvd":[{"id":"EUVD-2022-5590","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","status":"published","published":"2016-07-13T01:00:00Z","modified":"2024-08-05T23:47:58Z","updated_at":"2026-11-03T02:22:50.607493Z"}],"ghsa":[{"id":"GHSA-wm27-49x2-mg9q","title":"ChakraCore RCE Vulnerability","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","status":"published","published":"2022-05-14T02:24:15Z","modified":"2023-11-02T19:34:54Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:37:11.48574Z"}],"nvd":[{"id":"CVE-2016-3259","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","status":"published","published":"2016-07-13T01:59:20.017Z","modified":"2026-06-17T00:45:23.1Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:27.736698Z"}],"osv":[{"id":"GHSA-wm27-49x2-mg9q","title":"ChakraCore RCE Vulnerability","description":"The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Scripting Engine Memory Corruption Vulnerability,\" a different vulnerability than CVE-2016-3248.","status":"published","published":"2022-05-14T02:24:15Z","modified":"2023-11-08T03:58:26.353697Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:58.767335Z"}]}}