{"id":"CVE-2014-6321","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-6321","generatedAt":"2026-10-27T19:56:06.954Z","title":"Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code…","description":"Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via crafted packets, aka \"Microsoft Schannel Remote Code Execution Vulnerability.\"","published":"2014-11-11T22:55:05.000Z","lastModified":"2026-06-17T00:12:54.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"2.0","score":10,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-94"],"affected":["microsoft/windows 7","microsoft/windows 8","microsoft/windows 8.1","microsoft/windows rt","microsoft/windows rt 8.1","microsoft/windows server 2003","microsoft/windows server 2008","microsoft/windows server 2012","microsoft/windows vista"],"epss":{"score":0.95988,"percentile":0.99874,"date":"2026-10-26","history":[]},"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 96.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://blog.beyondtrust.com/triggering-ms14-066","tags":["Exploit","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"http://marc.info/?l=bugtraq&m=142384364031268&w=2","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/59800","tags":["Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.kb.cert.org/vuls/id/505120","tags":["Third Party Advisory","US Government Resource"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/70954","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitysift.com/exploiting-ms14-066-cve-2014-6321-aka-winshock/","tags":["Exploit","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.us-cert.gov/ncas/alerts/TA14-318A","tags":["Third Party Advisory","US Government Resource"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-066","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://blog.beyondtrust.com/triggering-ms14-066","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=142384364031268&w=2","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/59800","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/505120","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/70954","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitysift.com/exploiting-ms14-066-cve-2014-6321-aka-winshock/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/ncas/alerts/TA14-318A","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-066","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-6321","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."}