{"id":"CVE-2016-3227","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-3227","generatedAt":"2026-11-05T05:27:54.423Z","title":"Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted requests, aka \"Windows DNS Server Use After Free Vulnerability.\"","description":"Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted requests, aka \"Windows DNS Server Use After Free Vulnerability.\"","published":"2016-06-16T01:59:30.000Z","lastModified":"2026-06-17T00:45:20.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","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":[],"affected":["microsoft/windows server 2012"],"epss":{"score":0.25462,"percentile":0.97957,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.40557,"percentile":0.98628},{"date":"2026-09-22","score":0.25462,"percentile":0.97855}]},"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 25.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.40557,"from":0.25462,"percentile":0.98628},"summary":"EPSS moved from 25.5% to 40.6% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securitytracker.com/id/1036095","source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-071","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1036095","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-071","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-3227","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."}