{"id":"CVE-2023-40400","aliases":["EUVD-2023-44971","GHSA-6m3p-g8r6-fxvf"],"status":"published","title":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS...","description":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01833,"percentile":0.79179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-09-26T20:14:30Z","modified":"2026-06-17T06:17:36Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT213938","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213936","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213940","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT213937","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT213841","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Oct/10","tags":["x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Oct/8","tags":["x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Oct/9","tags":["x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Oct/3","tags":["x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://support.apple.com/kb/HT213940"},{"url":"https://support.apple.com/kb/HT213938"},{"url":"https://support.apple.com/kb/HT213937"},{"url":"https://support.apple.com/kb/HT213936"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40400"},{"url":"https://github.com/advisories/GHSA-6m3p-g8r6-fxvf"}],"sources":{"cve":[{"id":"CVE-2023-40400","description":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.","status":"published","published":"2023-09-26T20:14:30.575Z","modified":"2025-11-04T19:18:15.943Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44971","description":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.","status":"published","published":"2023-09-26T20:14:30Z","modified":"2025-11-04T19:18:15Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:22.434386Z"}],"ghsa":[{"id":"GHSA-6m3p-g8r6-fxvf","title":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS...","description":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.","status":"published","published":"2023-09-27T15:30:35Z","modified":"2025-11-04T21:31:45Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:04:37.582006Z"}],"nvd":[{"id":"CVE-2023-40400","description":"This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.","status":"published","published":"2023-09-27T15:19:07.467Z","modified":"2026-06-17T06:17:36.163Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}