{"id":"CVE-2018-0946","aliases":["EUVD-2022-5550","GHSA-wc67-4cg3-35wf"],"status":"published","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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":0.5113,"percentile":0.98942,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-416","CWE-787"],"published":"2018-05-09T19:00:00Z","modified":"2026-10-24T10:30:35Z","exploits":[{"source":"exploitdb","id":"EDB-44758","title":"Microsoft Edge Chakra - Cross Context Use-After-Free","type":"dos","platform":"windows","date":"2018-05-25","verified":true,"url":"https://www.exploit-db.com/exploits/44758"}],"fixes":[{"ecosystem":"NuGet","package":"Microsoft.ChakraCore","fixed_in":["1.8.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.4"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.ChakraCore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.4"}]}],"versions":["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"]}],"products":[{"vendor":"microsoft","product":"chakracore"},{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"microsoft edge"}],"references":[{"url":"https://www.exploit-db.com/exploits/44758/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.securityfocus.com/bid/103989","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0946","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.securitytracker.com/id/1040844","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0946","tags":["advisory"]},{"url":"https://github.com/chakra-core/ChakraCore/commit/bee1e247bf6acbc8c862c7fc1d597ce9cab7446e","tags":["web"]},{"url":"https://web.archive.org/web/20210125210449/https://www.securityfocus.com/bid/103989/"},{"url":"https://web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wc67-4cg3-35wf"},{"url":"https://github.com/chakra-core/ChakraCore","tags":["package"]},{"url":"https://web.archive.org/web/20210125210449/https://www.securityfocus.com/bid/103989","tags":["web"]},{"url":"https://www.exploit-db.com/exploits/44758","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-0946","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2018-05-09T19:00:00Z","modified":"2024-08-05T03:44:11.681Z","updated_at":"2026-11-02T14:35:12.596526Z"}],"euvd":[{"id":"EUVD-2022-5550","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2018-05-09T19:00:00Z","modified":"2024-08-05T03:44:11Z","updated_at":"2026-11-03T02:40:16.874515Z"}],"ghsa":[{"id":"GHSA-wc67-4cg3-35wf","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2022-05-13T01:18:39Z","modified":"2023-10-06T01:41:01Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:37:08.278692Z"}],"nvd":[{"id":"CVE-2018-0946","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2018-05-09T19:29:00.573Z","modified":"2026-06-17T01:31:59.337Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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-416","CWE-787"],"updated_at":"2026-11-02T14:04:26.098615Z"}],"osv":[{"id":"CVE-2018-0946","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2018-05-09T19:29:00.573Z","modified":"2026-10-24T10:30:35.034849168Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"GHSA-wc67-4cg3-35wf","title":"ChakraCore RCE Vulnerability","description":"A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka \"Scripting Engine Memory Corruption Vulnerability.\" This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.","status":"published","published":"2022-05-13T01:18:39Z","modified":"2024-02-16T08:25:14.740416Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:46:58.401149Z"}]}}