{"id":"CVE-2023-28206","published":"2023-04-10T19:15:07Z","modified":"2026-06-17T05:47:06Z","title":"Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability","vendor":"Apple","product":"iOS, iPadOS, and macOS","tier":"core","eol":null,"description":{"text":"An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an out-of-bounds write in the IOSurfaceAccelerator component of Apple's iOS, iPadOS, and macOS. An attacker who can run a malicious app on the affected device, with no privileges and requiring the user to take an action such as opening or installing that app, can execute arbitrary code with kernel privileges.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:12:50Z"},"cvss":{"score":8.6,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.23215,"percentile":0.97766,"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://nvd.nist.gov/vuln/detail/CVE-2023-28206","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/HT213723","date":"2023-04-10"},{"url":"https://support.apple.com/kb/HT213724","date":"2023-04-10"},{"url":"https://support.apple.com/kb/HT213725","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"}],"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/HT213720","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213721","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213723","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213724","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213725","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213720","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213721","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213723","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213724","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213725","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206","tags":["US Government Resource"]}],"techniques":[{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Local kernel-privilege escalation via out-of-bounds write","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"An app may be able to execute arbitrary code with kernel privileges","start":225,"end":292}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-31914","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-31914","exploited":true,"exploitedSince":"2023-04-10","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2023-05-15","earliestUrl":"https://github.com/acceleratortroll/acceleratortroll","repos":[{"name":"acceleratortroll/acceleratortroll","url":"https://github.com/acceleratortroll/acceleratortroll","stars":8,"created":"2023-05-15"}]},"first":{"date":"2023-05-15","source":"PoC-in-GitHub","url":"https://github.com/acceleratortroll/acceleratortroll"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1068"],"provenance":"ai"}],"timeline":[{"date":"2023-04-07","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV 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KEV listing","points":0.0,"detail":"added 1301 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.55,"detail":"percentile 0.9777"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.02,"detail":"base score 8.6"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-787"}}