{"id":"CVE-2017-6517","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-6517","generatedAt":"2026-10-28T20:48:38.081Z","title":"Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.","description":"Microsoft Skype 7.16.0.102 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded by Skype. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge.The specific flaw exists within the handling of DLL (api-ms-win-core-winrt-string-l1-1-0.dll) loading by the Skype.exe process.","published":"2017-03-23T20:59:01.000Z","lastModified":"2026-06-17T01:22:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-427"],"affected":["microsoft/skype"],"epss":{"score":0.46342,"percentile":0.98811,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.42366,"percentile":0.98682},{"date":"2026-09-22","score":0.46342,"percentile":0.98763}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 46.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/141650/Skype-7.16.0.102-DLL-Hijacking.html","tags":["Exploit","Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2017/Mar/44","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/96969","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1038209","source":"cve@mitre.org"},{"url":"https://technet.microsoft.com/security/cc308575.aspx","tags":["Not Applicable"],"source":"cve@mitre.org"},{"url":"https://twitter.com/tiger_tigerboy/status/755332687141883904","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"https://twitter.com/vysecurity/status/845013670103003138","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/141650/Skype-7.16.0.102-DLL-Hijacking.html","tags":["Exploit","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2017/Mar/44","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/96969","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038209","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://technet.microsoft.com/security/cc308575.aspx","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/tiger_tigerboy/status/755332687141883904","tags":["Press/Media Coverage"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/vysecurity/status/845013670103003138","tags":["Press/Media Coverage"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6517","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."}