{"id":"CVE-2016-7200","published":"2016-11-10T06:59:15Z","modified":"2026-06-17T00:52:46Z","title":"Microsoft Edge Memory Corruption Vulnerability","vendor":"Microsoft","product":"Edge","tier":"core","eol":null,"description":{"text":"The Chakra JavaScript scripting engine in Microsoft Edge allows 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-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.","provenance":"source","from":"NVD"},"summary":{"text":"The Chakra JavaScript scripting engine in Microsoft Edge contains a memory corruption flaw in which out-of-bounds writes allow arbitrary code execution or denial of service. An remote attacker can exploit it by luring a user to a crafted web site, with no authentication required but user interaction needed.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:10:19Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.82779,"percentile":0.99667,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-03-28","dueDate":"2022-04-18","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-7200","provenance":"source"},"vulncheckKev":{"dateAdded":"2017-01-11","exploitedFirstSeen":"2017-01-11","ransomware":true,"evidence":[{"url":"https://sensorstechforum.com/two-microsoft-edge-bugs-sundown-ek/","date":"2017-01-11"},{"url":"https://web.archive.org/web/20220227045141/https://risksense.com/wp-content/uploads/2019/09/RiskSense-Spotlight-Report-Ransomware.pdf","date":"2019-09-01"},{"url":"https://dl.acm.org/doi/pdf/10.1145/3465481.3465758","date":"2021-08-17"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-03-28"},{"url":"https://www.zimperium.com/blog/the-case-of-cloud9-chrome-botnet/","date":"2022-11-08"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 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2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/93968","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1037245","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129","tags":["Patch","Vendor Advisory"]},{"url":"https://github.com/theori-io/chakra-2016-11","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/40785/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/40990/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/93968","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1037245","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129","tags":["Patch","Vendor 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expert-reviewed)"},{"id":"T1499.004","name":"Application or System Exploitation","tactics":["impact"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Memory corruption causes application denial of service","mappingType":"primary_impact","evidence":[{"from":"description","quote":"cause a denial of service (memory corruption)","start":110,"end":155}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","vulnerableRanges":["<1.2.2"],"patched":["1.2.2"],"from":["GHSA-5whg-j5fv-xcm2"],"provenance":"source"}],"advisories":[{"id":"GHSA-5whg-j5fv-xcm2","url":"https://github.com/advisories/GHSA-5whg-j5fv-xcm2","severity":"HIGH","ecosystem":"NuGet","package":"Microsoft.ChakraCore","vulnerableRanges":["<1.2.2"],"patched":["1.2.2"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2022-2667","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-2667","exploited":true,"exploitedSince":"2022-03-28","provenance":"source"},"exploits":[{"id":40785,"url":"https://www.exploit-db.com/exploits/40785","title":"Microsoft Edge - 'Array.filter' Information Leak","type":"dos","platform":"windows","date":"2016-11-18","verified":true,"provenance":"source"},{"id":40990,"url":"https://www.exploit-db.com/exploits/40990","title":"Microsoft Edge (Windows 10) - 'chakra.dll' Information Leak / Type 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