{"id":"CVE-2023-28205","published":"2023-04-10T19:15:07Z","modified":"2026-06-17T05:47:06Z","title":"Apple Multiple Products WebKit Use-After-Free Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. 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 use-after-free flaw in WebKit, the browser engine shared across multiple Apple products, allows memory to be accessed after it has been freed. 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":"2026-10-23T07:12:38Z"},"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":0.27076,"percentile":0.98043,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2023-04-10","dueDate":"2023-05-01","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://support.apple.com/en-us/HT213720,https://support.apple.com/en-us/HT213721,https://support.apple.com/en-us/HT213722,https://support.apple.com/en-us/HT213723;  https://nvd.nist.gov/vuln/detail/CVE-2023-28205","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-04-07","exploitedFirstSeen":"2023-04-07","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2023-04-07"},{"url":"https://support.apple.com/kb/HT213720","date":"2023-04-07"},{"url":"https://support.apple.com/kb/HT213721","date":"2023-04-07"},{"url":"https://support.apple.com/kb/HT213722","date":"2023-04-07"},{"url":"https://support.apple.com/kb/HT213723","date":"2023-04-10"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-04-10"},{"url":"https://googleprojectzero.blogspot.com/2023/10/an-analysis-of-an-in-the-wild-ios-safari-sandbox-escape.html","date":"2023-10-13"},{"url":"https://ti.qianxin.com/uploads/2024/02/02/dcc93e586f9028c68e7ab34c3326ff31.pdf","date":"2024-02-02"},{"url":"https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Buying_Spying_-_Insights_into_Commercial_Surveillance_Vendors.pdf","date":"2024-02-06"},{"url":"https://thehackernews.com/2024/02/global-coalition-and-tech-giants-unite.html","date":"2024-02-07"}],"evidenceTotal":11,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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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-416","name":"Use After Free"}],"references":[{"url":"https://support.apple.com/en-us/HT213720","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213721","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213722","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213723","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213720","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213721","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213722","tags":["Release Notes"]},{"url":"https://support.apple.com/en-us/HT213723","tags":["Release Notes"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28205","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":190,"end":269}],"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 is the direct 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expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-31913","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-31913","exploited":true,"exploitedSince":"2023-04-10","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":2,"skipped":0,"earliest":"2024-11-30","earliestUrl":"https://github.com/ntfargo/uaf-2023-28205","repos":[{"name":"ntfargo/uaf-2023-28205","url":"https://github.com/ntfargo/uaf-2023-28205","stars":18,"created":"2024-11-30"},{"name":"seregonwar/uaf-2023-28205","url":"https://github.com/seregonwar/uaf-2023-28205","stars":9,"created":"2026-01-04"}]},"first":{"date":"2024-11-30","source":"PoC-in-GitHub","url":"https://github.com/ntfargo/uaf-2023-28205"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2023-04-07","kind":"exploited-reported","label":"Exploitation 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