{"id":"CVE-2018-4237","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-4237","generatedAt":"2026-10-28T19:03:39.851Z","title":"It allows attackers to gain privileges via a crafted app that leverages a logic error.","description":"An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the \"libxpc\" component. It allows attackers to gain privileges via a crafted app that leverages a logic error.","published":"2018-06-08T18:29:02.000Z","lastModified":"2026-06-17T01:58:39.000Z","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":[],"affected":["apple/iphone os","apple/mac os x","apple/tvos","apple/watchos"],"epss":{"score":0.13483,"percentile":0.96422,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.33764,"percentile":0.98357},{"date":"2026-09-22","score":0.13749,"percentile":0.96336}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-11-29","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45916,"kind":"exploit","title":"Mac OS X - libxpc MITM Privilege Escalation (Metasploit)","url":"https://www.exploit-db.com/exploits/45916","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/local/45916.rb","file":"exploits/macos/local/45916.rb","published":"2018-11-29","added":"2018-11-29","updated":"2018-11-29","author":"Metasploit","type":"local","platform":"macos","port":null,"verified":true,"codes":["CVE-2018-4237"],"tags":"Local","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/d523124fafa2c9be8d02a38c99a98734a3eaa3e1/modules/exploits/osx/local/libxpc_mitm_ssudo.rb"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.13749,"from":0.33764,"percentile":0.96336},"summary":"EPSS moved from 33.8% to 13.7% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.33764,"from":0.13749,"percentile":0.98357},"summary":"EPSS moved from 13.7% to 33.8% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securitytracker.com/id/1041027","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208848","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208849","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208850","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT208851","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://www.exploit-db.com/exploits/45916/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1041027","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208848","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208849","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208850","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT208851","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45916/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4237","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."}