{"id":"CVE-2017-0263","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-0263","generatedAt":"2026-10-28T19:46:28.160Z","title":"Microsoft Win32k Privilege Escalation Vulnerability","description":"The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka \"Win32k Elevation of Privilege Vulnerability.\"","published":"2017-05-12T14:29:05.000Z","lastModified":"2026-06-17T00:57:22.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["microsoft/windows 10 1507","microsoft/windows 10 1511","microsoft/windows 10 1607","microsoft/windows 10 1703","microsoft/windows 7","microsoft/windows 8.1","microsoft/windows rt 8.1","microsoft/windows server 2008","microsoft/windows server 2012","microsoft/windows server 2016"],"epss":{"score":0.10034,"percentile":0.95594,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2022-02-10","dueDate":"2022-08-10","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-0263"},"exploits":{"count":1,"verified":false,"firstPublished":"2018-03-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44478,"kind":"exploit","title":"Microsoft Windows Manager (7 x86) - Menu Management Component UAF Privilege Elevation","url":"https://www.exploit-db.com/exploits/44478","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows_x86/local/44478.cpp","file":"exploits/windows_x86/local/44478.cpp","published":"2018-03-26","added":"2018-04-17","updated":"2019-03-28","author":"xiaodaozhi","type":"local","platform":"windows_x86","port":null,"verified":false,"codes":["CVE-2017-0263"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":"http://www.exploit-db.com/screenshots/idlt44500/shot.png","referenceUrl":"https://github.com/leeqwind/HolicPOC/tree/d53ad7685759f8261f882a11fc7a0313a5e8bacb/windows/win32k/CVE-2017-0263/windows/win32k/CVE-2017-0263/x86.cpp"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/98258","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1038449","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/44478/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://xiaodaozhi.com/exploit/117.html","tags":["Exploit","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/98258","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038449","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44478/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://xiaodaozhi.com/exploit/117.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-0263","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."}