{"id":"CVE-2020-0674","aliases":["EUVD-2020-2167","GHSA-35jh-2r79-5r66"],"status":"published","title":"A remote code execution vulnerability exists in the way that the scripting engine handles objects...","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.","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":"2026-11-09","score":0.86863,"percentile":0.99747,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-119","CWE-416"],"published":"2020-02-11T21:22:53Z","modified":"2026-06-17T02:46:19Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"exploits":[{"source":"pocgithub","id":"maxpl0it/CVE-2020-0674-Exploit","title":"maxpl0it/CVE-2020-0674-Exploit","date":"2020-05-07","url":"https://github.com/maxpl0it/CVE-2020-0674-Exploit"},{"source":"pocgithub","id":"Ken-Abruzzi/CVE-2020-0674","title":"Ken-Abruzzi/CVE-2020-0674","date":"2020-09-30","url":"https://github.com/Ken-Abruzzi/CVE-2020-0674"},{"source":"exploitdb","id":"EDB-49062","title":"Microsoft Internet Explorer 11 - Use-After-Free","type":"local","platform":"windows","date":"2020-11-17","url":"https://www.exploit-db.com/exploits/49062"},{"source":"exploitdb","id":"EDB-49863","title":"Microsoft Internet Explorer 11 and WPAD service 'Jscript.dll' - Use-After-Free","type":"local","platform":"windows_x86-64","date":"2021-05-13","url":"https://www.exploit-db.com/exploits/49863"},{"source":"pocgithub","id":"Neko-chanQwQ/CVE-2020-0674-PoC","title":"Neko-chanQwQ/CVE-2020-0674-PoC","date":"2021-07-03","url":"https://github.com/Neko-chanQwQ/CVE-2020-0674-PoC"},{"source":"pocgithub","id":"Micky-Thongam/Internet-Explorer-UAF","title":"Micky-Thongam/Internet-Explorer-UAF","date":"2023-12-10","url":"https://github.com/Micky-Thongam/Internet-Explorer-UAF"}],"products":[{"vendor":"microsoft","product":"internet explorer"},{"vendor":"microsoft","product":"internet explorer 10"},{"vendor":"microsoft","product":"internet explorer 11"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1909 for 32-bit systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1909 for arm64-based systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows 10 version 1909 for x64-based systems"},{"vendor":"microsoft","product":"internet explorer 11 on windows server 2012"},{"vendor":"microsoft","product":"internet explorer 9"},{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://github.com/maxpl0it/CVE-2020-0674-Exploit","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/159137/Microsoft-Internet-Explorer-11-Use-After-Free.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/161309/Microsoft-Internet-Explorer-11-Use-After-Free.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/162565/Microsoft-Internet-Explorer-8-11-Use-After-Free.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0674","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0674"},{"url":"https://github.com/advisories/GHSA-35jh-2r79-5r66"}],"sources":{"cve":[{"id":"CVE-2020-0674","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. 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This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.","status":"published","published":"2020-02-11T21:22:53Z","modified":"2025-10-21T23:35:51Z","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"}],"exploited_since":"2021-11-03","updated_at":"2026-11-02T20:31:24.816637Z"}],"ghsa":[{"id":"GHSA-35jh-2r79-5r66","title":"A remote code execution vulnerability exists in the way that the scripting engine handles objects...","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. 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Successful exploitation could allow remote code execution in the context of the current user.","cwes":["CWE-416"],"kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:17.050017Z"}],"nvd":[{"id":"CVE-2020-0674","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.","status":"published","published":"2020-02-11T22:15:14.883Z","modified":"2026-06-17T02:46:19.067Z","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":"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":"secondary"},{"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-416"],"updated_at":"2026-11-02T14:05:53.837808Z"}]}}