{"id":"CVE-2016-0167","published":"2016-04-12T23:59:30Z","modified":"2026-06-17T00:37:02Z","title":"Microsoft Win32k Privilege Escalation Vulnerability","vendor":"Microsoft","product":"Win32k","tier":"core","eol":null,"description":{"text":"The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows local users to gain privileges via a crafted application, aka \"Win32k Elevation of Privilege Vulnerability,\" a different vulnerability than CVE-2016-0143 and CVE-2016-0165.","provenance":"source","from":"NVD"},"summary":{"text":"The Win32k kernel-mode driver in Microsoft Windows (including Vista SP2, Server 2008 SP2 and R2 SP1, Windows 7 SP1, 8.1, Server 2012, RT 8.1, and 10 through version 1511) contains a privilege escalation flaw. An attacker with local access to the system can exploit it by running a crafted application, which requires user interaction and no prior privileges.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:01:34Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.05661,"percentile":0.92948,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-0167","provenance":"source"},"vulncheckKev":{"dateAdded":"2016-03-08","exploitedFirstSeen":"2016-03-08","ransomware":true,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2016-03-08"},{"url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2016-Apr","date":"2016-04-12"},{"url":"https://www.fireeye.com/blog/threat-research/2016/05/windows-zero-day-payment-cards.html","date":"2016-05-11"},{"url":"https://dl.acm.org/doi/pdf/10.1145/3465481.3465758","date":"2021-08-17"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2021-11-03"},{"url":"https://strapi.eurepoc.eu/uploads/Eu_Repo_C_APT_profile_APT_28_4856c0a0ac.pdf","date":"2023-02-05"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-264","name":null}],"references":[{"url":"http://www.securitytracker.com/id/1035529","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1035532","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-039","tags":["Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1035529","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1035532","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-039","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0167","tags":["US Government Resource"]}],"techniques":[{"id":"T1608","name":"Stage Capabilities","tactics":["resource-development"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 1)","mappingType":"uncategorized","evidence":[],"confidence":"low","confidenceNote":"CTID attack_to_cve Phase 1 \"Uncategorized\" mapping (not staged by impact)"},{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: local privilege escalation via kernel driver flaw","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allows local users to gain privileges via a crafted application","start":197,"end":260}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[{"id":"SRC-93c55e10ab45afc37c85","title":"Microsoft Security","publisher":"download.microsoft.com","url":"https://download.microsoft.com/download/E/B/0/EB0F50CC-989C-4B66-B7F6-68CD3DC90DE3/Microsoft_Security_Intelligence_Report_Volume_21_English.pdf","date":null,"mentions":[{"quote":"CVE-2016-0167 Win32k!xxxMNDestroyHandler Use-","start":119514,"end":119559},{"quote":" CVE-2016-0167 – Microsoft Windows Win32k!xxxMNDestroyHandler Use-","start":125075,"end":125142},{"quote":"56\r\nCVE-2013-2423, 56\r\nCVE-2013-2460, 56\r\nCVE-2013-2551, 56\r\nCVE-2013-3896, 56\r\nCVE-2014-1761, 62\r\nCVE-2014-6332, 61\r\nCVE-2015-0072, 64\r\nCVE-2015-0310, 56\r\nCVE-2015-0311, 56\r\nCVE-2015-0313, 56\r\nCVE-2015-5119, 54, 63, 159\r\nCVE-2015-8651, 56, 57\r\nCVE-2016-0034, 66, 67, 69\r\nCVE-2016-0165, 67\r\nCVE-2016-0167, 67,","start":261460,"end":261769}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2016-0205","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-0205","exploited":true,"exploitedSince":"2021-11-03","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1068"],"provenance":"ai"},{"stage":"related","techniques":["T1608"],"provenance":"source","lowConfidence":true}],"timeline":[{"date":"2016-03-08","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2016-04-12","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0167","provenance":"source"},{"date":"2021-11-03","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2021-11-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-0205","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":2031},"priority":{"score":75.9,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 3887 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":18.59,"detail":"percentile 0.9295"},{"name":"Named in threat reports","points":3.87,"detail":"1 report"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-264"}}