{"id":"CVE-2016-7633","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7633","generatedAt":"2026-10-28T19:02:58.967Z","title":"It allows local users to gain privileges or cause a denial of service (use-after-free) via unspecified vectors.","description":"An issue was discovered in certain Apple products. macOS before 10.12.2 is affected. The issue involves the \"Directory Services\" component. It allows local users to gain privileges or cause a denial of service (use-after-free) via unspecified vectors.","published":"2017-02-20T08:59:03.000Z","lastModified":"2026-06-17T00:53:23.000Z","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:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["apple/mac os x"],"epss":{"score":0.01275,"percentile":0.69775,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2016-12-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40954,"kind":"exploit","title":"Apple macOS 10.12 - Double vm_deallocate in Userspace MIG Code Use-After-Free","url":"https://www.exploit-db.com/exploits/40954","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/dos/40954.c","file":"exploits/macos/dos/40954.c","published":"2016-12-22","added":"2016-12-22","updated":"2017-04-05","author":"Google Security Research","type":"dos","platform":"macos","port":null,"verified":true,"codes":["CVE-2016-7633"],"tags":"Use After Free (UAF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=954"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 1.3%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/94903","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1037469","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207423","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://www.exploit-db.com/exploits/40954/","source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/94903","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037469","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207423","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/40954/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7633","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."}