{"id":"CVE-2023-32435","published":"2023-06-23T18:15:13Z","modified":"2026-06-17T05:58:50Z","title":"Apple Multiple Products WebKit Memory Corruption Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing 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 15.7.","provenance":"source","from":"NVD"},"summary":{"text":"A memory corruption flaw in WebKit, the web content engine shipped across Apple's products including macOS Ventura, Safari, iOS and iPadOS, arises from an out-of-bounds write. An attacker who can get a user to load malicious web content can achieve arbitrary code execution, and no authentication or network position is required, though the victim must interact with the content.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:12:44Z"},"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":0.22951,"percentile":0.97742,"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/HT213670, https://support.apple.com/en-us/HT213671, https://support.apple.com/en-us/HT213676, https://support.apple.com/en-us/HT213811;  https://nvd.nist.gov/vuln/detail/CVE-2023-32435","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-03-27","exploitedFirstSeen":"2023-03-27","ransomware":false,"evidence":[{"url":"https://support.apple.com/kb/HT213670","date":"2023-03-27"},{"url":"https://support.apple.com/kb/HT213671","date":"2023-03-27"},{"url":"https://support.apple.com/kb/HT213676","date":"2023-03-27"},{"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://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-06-23"},{"url":"https://securelist.com/operation-triangulation-the-last-hardware-mystery/111669/","date":"2023-12-27"},{"url":"https://redsense.com/publications/yearly-intel-trend-review-2023/","date":"2024-01-30"},{"url":"https://cdn.isc.360.com/isc-cxo/2023APT_report.pdf","date":"2024-02-02"},{"url":"https://ti.qianxin.com/uploads/2024/02/02/dcc93e586f9028c68e7ab34c3326ff31.pdf","date":"2024-02-02"}],"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-787","name":"Out-of-bounds Write"}],"references":[{"url":"https://support.apple.com/en-us/HT213670","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213671","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213676","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213811","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213670","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213671","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213676","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213811","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32435","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 via browsing","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Processing web content may lead to arbitrary code execution","start":184,"end":243}],"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: Arbitrary code execution achieved on victim device","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Processing web content may lead to arbitrary code execution","start":184,"end":243}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-36679","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-36679","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":"2023-03-27","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://support.apple.com/kb/HT213670","provenance":"source"},{"date":"2023-06-23","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32435","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-2023-36679","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 1312 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.55,"detail":"percentile 0.9774"},{"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-787"}}