{"id":"CVE-2026-43809","aliases":["EUVD-2026-49450","GHSA-g7x9-qq7j-x3gx"],"status":"published","title":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS...","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00605,"percentile":0.49295,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-07-27T20:14:38Z","modified":"2026-10-24T13:10:00Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/128067","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128071","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128072","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/148287"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43809"},{"url":"https://github.com/advisories/GHSA-g7x9-qq7j-x3gx"}],"sources":{"cve":[{"id":"CVE-2026-43809","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.","status":"published","published":"2026-07-27T20:14:38.896Z","modified":"2026-08-17T21:31:27.676Z","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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:37:25.103021Z"}],"euvd":[{"id":"EUVD-2026-49450","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.","status":"published","published":"2026-07-27T20:14:38Z","modified":"2026-08-17T21:31:27Z","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":"2026-11-02T18:01:47.589712Z"}],"ghsa":[{"id":"GHSA-g7x9-qq7j-x3gx","title":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS...","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.","status":"published","published":"2026-07-27T21:31:25Z","modified":"2026-08-18T00:31:33Z","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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:10:35.792698Z"}],"nvd":[{"id":"CVE-2026-43809","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.","status":"published","published":"2026-07-27T21:17:04.043Z","modified":"2026-10-24T13:10:00.147Z","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":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:33.249634Z"}]}}