{"cve":"CVE-2016-3321","nvd":{"published":"2016-08-09T21:59:28.553","modified":"2026-06-17T00:45:29.477","status":"Modified","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.\"","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","score":2.5},"cwes":["CWE-200"],"references":["http://seclists.org/fulldisclosure/2016/Aug/44","http://www.securityfocus.com/archive/1/539174/100/0/threaded","http://www.securityfocus.com/bid/92291","http://www.securitytracker.com/id/1036562","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-095"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-3321","score":0.36143,"percentile":0.98476,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}