{"id":"CVE-2018-4478","aliases":["EUVD-2018-16264","GHSA-cxqp-79p3-87wm"],"status":"published","title":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10...","description":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00284,"percentile":0.2102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-12-23T19:48:27Z","modified":"2026-06-17T01:59:01Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT208849","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4478"},{"url":"https://github.com/advisories/GHSA-cxqp-79p3-87wm"}],"sources":{"cve":[{"id":"CVE-2018-4478","description":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.","status":"published","published":"2021-12-23T19:48:27Z","modified":"2024-08-05T05:18:26.523Z","updated_at":"2026-11-02T14:35:08.024147Z"}],"euvd":[{"id":"EUVD-2018-16264","description":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.","status":"published","published":"2021-12-23T19:48:27Z","modified":"2024-08-05T05:18:26Z","updated_at":"2026-11-03T02:40:12.722721Z"}],"ghsa":[{"id":"GHSA-cxqp-79p3-87wm","title":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10...","description":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.","status":"published","published":"2021-12-24T00:00:33Z","modified":"2023-02-03T05:03:15Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:53:19.085994Z"}],"nvd":[{"id":"CVE-2018-4478","description":"A validation issue was addressed with improved logic. This issue is fixed in macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan. An attacker with physical access to a device may be able to elevate privileges.","status":"published","published":"2021-12-23T20:15:08.62Z","modified":"2026-06-17T01:59:01.977Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:05:00.565712Z"}]}}