{"id":"CVE-2016-3321","aliases":["EUVD-2016-4353","GHSA-q89r-f728-w9pv"],"status":"published","title":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL...","description":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka \"Internet Explorer Information Disclosure Vulnerability.\"","severity":{"version":"3.0","score":2.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.37946,"percentile":0.98559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2016-08-09T21:00:00Z","modified":"2026-06-17T00:45:29Z","exploits":[{"source":"metasploit","id":"auxiliary/gather/ie_sandbox_findfiles","title":"Internet Explorer Iframe Sandbox File Name Disclosure Vulnerability","type":"auxiliary","platform":"Windows","date":"2016-08-09","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/gather/ie_sandbox_findfiles"}],"products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-095","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securitytracker.com/id/1036562","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://www.securify.nl/advisory/SFY20160301/internet_explorer_iframe_sandbox_local_file_name_disclosure_vulnerability.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2016/Aug/44","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/archive/1/539174/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/92291","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3321"},{"url":"https://github.com/advisories/GHSA-q89r-f728-w9pv"}],"sources":{"cve":[{"id":"CVE-2016-3321","description":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka \"Internet Explorer Information Disclosure Vulnerability.\"","status":"published","published":"2016-08-09T21:00:00Z","modified":"2024-08-05T23:47:59.558Z","updated_at":"2026-11-02T14:33:34.094161Z"}],"euvd":[{"id":"EUVD-2016-4353","description":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka \"Internet Explorer Information Disclosure Vulnerability.\"","status":"published","published":"2016-08-09T21:00:00Z","modified":"2024-08-05T23:47:59Z","updated_at":"2026-11-03T02:22:50.077805Z"}],"ghsa":[{"id":"GHSA-q89r-f728-w9pv","title":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL...","description":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka \"Internet Explorer Information Disclosure Vulnerability.\"","status":"published","published":"2022-05-14T02:23:39Z","modified":"2023-02-02T05:06:05Z","cvss":[{"version":"3.0","score":2.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:52:14.132111Z"}],"nvd":[{"id":"CVE-2016-3321","description":"Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka \"Internet Explorer Information Disclosure Vulnerability.\"","status":"published","published":"2016-08-09T21:59:28.553Z","modified":"2026-06-17T00:45:29.477Z","cvss":[{"version":"3.0","score":2.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:28.854267Z"}]}}