{"id":"CVE-2023-32439","published":"2023-06-23T18:15:13Z","modified":"2026-06-17T05:58:50Z","title":"Apple Multiple Products WebKit Type Confusion Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.","provenance":"source","from":"NVD"},"summary":{"text":"A type confusion flaw in the WebKit component shared across multiple Apple products, including iOS, iPadOS, macOS and Safari, allows code to access a resource through an incompatible type. An attacker can achieve arbitrary code execution by getting a user to load maliciously crafted web content, which requires only network access and user interaction, with no authentication needed.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:12:39Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.23968,"percentile":0.97834,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2023-06-23","dueDate":"2023-07-14","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814, https://support.apple.com/en-us/HT213816;  https://nvd.nist.gov/vuln/detail/CVE-2023-32439","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-06-21","exploitedFirstSeen":"2023-06-21","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2023-06-21"},{"url":"https://support.apple.com/kb/HT213811","date":"2023-06-21"},{"url":"https://support.apple.com/kb/HT213813","date":"2023-06-21"},{"url":"https://support.apple.com/kb/HT213814","date":"2023-06-21"},{"url":"https://support.apple.com/kb/HT213816","date":"2023-06-21"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-06-23"},{"url":"https://ti.qianxin.com/uploads/2024/02/02/dcc93e586f9028c68e7ab34c3326ff31.pdf","date":"2024-02-02"}],"evidenceTotal":7,"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-843","name":"Access of Resource Using Incompatible Type"}],"references":[{"url":"https://security.gentoo.org/glsa/202401-04","tags":["Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT213811","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213813","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213814","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213816","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT213814","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT213816","tags":["Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202401-04","tags":["Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT213811","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213813","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213814","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213816","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT213814","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT213816","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32439","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Malicious web content triggers exploitation drive-by","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Processing maliciously crafted web content may lead to arbitrary code execution","start":179,"end":258}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Direct arbitrary code execution impact","mappingType":"primary_impact","evidence":[{"from":"description","quote":"may lead to arbitrary code execution","start":222,"end":258}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-36683","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-36683","exploited":true,"exploitedSince":"2023-06-23","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2023-06-21","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2023-06-23","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32439","provenance":"source"},{"date":"2023-06-23","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-06-23","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-36683","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":0},"priority":{"score":63.7,"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 1226 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.57,"detail":"percentile 0.9783"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"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":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-843"}}