{"id":"CVE-2016-4640","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-4640","generatedAt":"2026-10-27T22:04:20.919Z","title":"Login Window in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context, obtain sensitive user information, or cause a denial of service (memory corruption) via a crafted app.","description":"Login Window in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context, obtain sensitive user information, or cause a denial of service (memory corruption) via a crafted app.","published":"2016-07-22T03:00:01.000Z","lastModified":"2026-06-17T00:47:57.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["apple/mac os x"],"epss":{"score":0.01326,"percentile":0.70764,"date":"2026-10-26","history":[{"date":"2026-09-21","score":0.02441,"percentile":0.83472},{"date":"2026-09-22","score":0.01326,"percentile":0.6973}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html","tags":["Mailing List","Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/91824","source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1036348","source":"product-security@apple.com"},{"url":"http://zerodayinitiative.com/advisories/ZDI-16-435/","tags":["Third Party Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT206903","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html","tags":["Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/91824","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1036348","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://zerodayinitiative.com/advisories/ZDI-16-435/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT206903","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-4640","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."}