{"id":"CVE-2017-11823","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-11823","generatedAt":"2026-10-28T21:22:35.773Z","title":"The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka \"Microsoft Windows Security Feature Bypass\".","description":"The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka \"Microsoft Windows Security Feature Bypass\".","published":"2017-10-13T13:29:02.000Z","lastModified":"2026-06-17T01:02:26.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-362"],"affected":["microsoft/windows 10","microsoft/windows server 2016"],"epss":{"score":0.02556,"percentile":0.84986,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-10-17","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42997,"kind":"exploit","title":"Microsoft Windows 10 - WLDP/MSHTML CLSID UMCI Bypass","url":"https://www.exploit-db.com/exploits/42997","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/42997.txt","file":"exploits/windows/dos/42997.txt","published":"2017-10-17","added":"2017-10-17","updated":"2017-10-17","author":"Google Security Research","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2017-11823"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1328"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.6%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101102","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1039526","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/42997/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/101102","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039526","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42997/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-11823","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."}