{"id":"CVE-2022-42856","published":"2022-12-15T19:15:25Z","modified":"2026-06-17T05:05:29Z","title":"Apple iOS Type Confusion Vulnerability","vendor":"Apple","product":"iOS","tier":"core","eol":null,"description":{"text":"A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..","provenance":"source","from":"NVD"},"summary":{"text":"A type confusion flaw in Apple iOS, addressed through improved state handling, allows code to access a resource using an incompatible type. An attacker can achieve arbitrary code execution by getting a user to process maliciously crafted web content, requiring network access and user interaction but no authentication.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:13:06Z"},"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":0.08523,"percentile":0.95033,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2022-12-14","dueDate":"2023-01-04","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://support.apple.com/en-us/HT213516;  https://nvd.nist.gov/vuln/detail/CVE-2022-42856","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-11-30","exploitedFirstSeen":"2022-11-30","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2022-11-30"},{"url":"https://support.apple.com/kb/HT213516","date":"2022-11-30"},{"url":"https://support.apple.com/kb/HT213530","date":"2022-12-13"},{"url":"https://support.apple.com/kb/HT213531","date":"2022-12-13"},{"url":"https://support.apple.com/kb/HT213532","date":"2022-12-13"},{"url":"https://support.apple.com/kb/HT213535","date":"2022-12-13"},{"url":"https://support.apple.com/kb/HT213537","date":"2022-12-13"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-12-14"},{"url":"https://raw.githubusercontent.com/blackorbird/APT_REPORT/master/summary/2023/360_APT_Annual_Research_Report_2022.pdf","date":"2023-01-17"},{"url":"https://support.apple.com/kb/HT213597","date":"2023-01-23"}],"evidenceTotal":13,"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":"http://seclists.org/fulldisclosure/2022/Dec/21","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/22","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/23","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/26","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/28","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/12/26/1","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202305-32","tags":["Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT213516","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213531","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213532","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213535","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213537","tags":["Release Notes","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/21","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/22","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/23","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/26","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/28","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/12/26/1","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202305-32","tags":["Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT213516","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213531","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213532","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213535","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213537","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856","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 delivered to browser","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Processing maliciously crafted web content may lead to arbitrary code execution","start":176,"end":255}],"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 upon exploitation","mappingType":"primary_impact","evidence":[{"from":"description","quote":"may lead to arbitrary code 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KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-12-14","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-45919","provenance":"source"},{"date":"2022-12-15","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42856","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":63.2,"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 1429 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.01,"detail":"percentile 0.9503"},{"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"}}