{"cve":{"cve_id":"CVE-2023-23529","is_kev":true,"kev_date_added":"2023-02-14","kev_vendor_project":"Apple","kev_product":"Multiple Products","kev_vulnerability_name":"Apple Multiple Products WebKit Type Confusion Vulnerability","kev_short_description":"Apple iOS, MacOS, Safari and iPadOS WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2023-03-07","kev_known_ransomware":false,"kev_notes":"https://support.apple.com/en-us/HT213635, https://support.apple.com/en-us/HT213633, https://support.apple.com/en-us/HT213638;  https://nvd.nist.gov/vuln/detail/CVE-2023-23529","kev_cwes":["CWE-843"],"epss_score":0.09502,"epss_percentile":0.94809,"epss_as_of":"2026-06-23","description":"A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. 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.","published_at":"2023-02-27T00:00:00Z","last_modified_at":null,"cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-843"],"nvd_references":["https://support.apple.com/en-us/HT213635","https://support.apple.com/en-us/HT213638","https://support.apple.com/en-us/HT213633","https://support.apple.com/en-us/HT213673"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T01:25:42.503209Z"},"effective_severity":"HIGH","badges":["kev"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"ios-and-ipados","product_name":"iOS and iPadOS","version_start":"unspecified","version_start_inclusive":true,"version_end":"16.3","version_end_inclusive":false,"cpe23_uri":"cve5:apple:ios-and-ipados:unspecified:16.3"},{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"ios-and-ipados","product_name":"iOS and iPadOS","version_start":"unspecified","version_start_inclusive":true,"version_end":"15.7","version_end_inclusive":false,"cpe23_uri":"cve5:apple:ios-and-ipados:unspecified:15.7"},{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"macos","product_name":"macOS","version_start":"unspecified","version_start_inclusive":true,"version_end":"13.2","version_end_inclusive":false,"cpe23_uri":"cve5:apple:macos:unspecified:13.2"},{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"safari","product_name":"Safari","version_start":"unspecified","version_start_inclusive":true,"version_end":"16.3","version_end_inclusive":false,"cpe23_uri":"cve5:apple:safari:unspecified:16.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://support.apple.com/en-us/HT213635","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://support.apple.com/en-us/HT213638","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://support.apple.com/en-us/HT213633","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://support.apple.com/en-us/HT213673","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"cisa_reported","at":"2023-02-14T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"published","at":"2023-02-27T00:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:26:56.916525Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:56.916525Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:56.916525Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:25:42.503209Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:42.503209Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:42.503209Z","label":"SSVC decision revised","source":"vulnrichment"}]}