{"id":"CVE-2017-0159","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-0159","generatedAt":"2026-10-28T20:48:02.367Z","title":"A security feature bypass vulnerability exists in Windows 10 1607, Windows Server 2012 R2, and Windows 2016 when ADFS incorrectly treats requests coming from Extranet clients as Intranet requests, aka \"ADFS Security Feature Bypass Vulnerability.\"","description":"A security feature bypass vulnerability exists in Windows 10 1607, Windows Server 2012 R2, and Windows 2016 when ADFS incorrectly treats requests coming from Extranet clients as Intranet requests, aka \"ADFS Security Feature Bypass Vulnerability.\"","published":"2017-04-12T14:59:00.000Z","lastModified":"2026-06-17T00:57:11.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":3.7,"severity":"LOW","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":[],"affected":["microsoft/windows 10","microsoft/windows server 2012","microsoft/windows server 2016"],"epss":{"score":0.03648,"percentile":0.89535,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.04895,"percentile":0.91706},{"date":"2026-09-22","score":0.03648,"percentile":0.89092}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.65%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/97449","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1038243","source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/97449","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038243","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0159","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-0159","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}