{"id":"CVE-2018-8366","aliases":["EUVD-2018-20013","GHSA-m3qg-3g4c-5jwm"],"status":"published","title":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly...","description":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.","severity":{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.05046,"percentile":0.92356,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-09-13T00:00:00Z","modified":"2026-06-17T02:04:42Z","products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"microsoft edge"}],"references":[{"url":"http://www.securityfocus.com/bid/105253","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1041623","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8366","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8366"},{"url":"https://github.com/advisories/GHSA-m3qg-3g4c-5jwm"}],"sources":{"cve":[{"id":"CVE-2018-8366","description":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36.351Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20013","description":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:03.169087Z"}],"ghsa":[{"id":"GHSA-m3qg-3g4c-5jwm","title":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly...","description":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.","status":"published","published":"2022-05-14T01:57:52Z","modified":"2023-02-02T05:04:37Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:55.393577Z"}],"nvd":[{"id":"CVE-2018-8366","description":"An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.","status":"published","published":"2018-09-13T00:29:01.457Z","modified":"2026-06-17T02:04:42.78Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:38.672108Z"}]}}