{"id":"CVE-2016-3388","aliases":["EUVD-2016-4416","GHSA-c7mr-44hx-9566"],"status":"published","title":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to...","description":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka \"Microsoft Browser Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-3387.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.27587,"percentile":0.98092,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2016-10-14T01:00:00Z","modified":"2026-06-17T00:45:36Z","exploits":[{"source":"exploitdb","id":"EDB-40606","title":"Microsoft Windows Edge/Internet Explorer - Isolated Private Namespace Insecure DACL Privilege Escalation (MS16-118)","type":"local","platform":"windows","date":"2016-10-20","verified":true,"url":"https://www.exploit-db.com/exploits/40606"}],"products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securitytracker.com/id/1036993","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/93382","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/40606/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://www.securitytracker.com/id/1036992","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3388"},{"url":"https://www.exploit-db.com/exploits/40606"},{"url":"https://github.com/advisories/GHSA-c7mr-44hx-9566"}],"sources":{"cve":[{"id":"CVE-2016-3388","description":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka \"Microsoft Browser Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-3387.","status":"published","published":"2016-10-14T01:00:00Z","modified":"2024-08-05T23:56:13.363Z","updated_at":"2026-11-02T14:33:34.094161Z"}],"euvd":[{"id":"EUVD-2016-4416","description":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka \"Microsoft Browser Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-3387.","status":"published","published":"2016-10-14T01:00:00Z","modified":"2024-08-05T23:56:13Z","updated_at":"2026-11-03T02:22:50.077805Z"}],"ghsa":[{"id":"GHSA-c7mr-44hx-9566","title":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to...","description":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka \"Microsoft Browser Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-3387.","status":"published","published":"2022-05-14T02:23:11Z","modified":"2025-04-12T13:05:39Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:01:29.780856Z"}],"nvd":[{"id":"CVE-2016-3388","description":"Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka \"Microsoft Browser Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-3387.","status":"published","published":"2016-10-14T02:59:24.93Z","modified":"2026-06-17T00:45:36.003Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:31.485755Z"}]}}