{"id":"CVE-2019-8526","aliases":["EUVD-2019-17916","GHSA-p8m9-gxw7-g5pf"],"status":"published","title":"A use after free issue was addressed with improved memory management. This issue is fixed in...","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00701,"percentile":0.53479,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2019-12-18T17:33:16Z","modified":"2026-06-17T02:42:06Z","kev":{"date_added":"2023-04-17","due_date":"2023-05-08","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2023-04-17"},{"source":"kev","since":"2023-04-17"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/HT209600","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8526","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8526"},{"url":"https://github.com/advisories/GHSA-p8m9-gxw7-g5pf"}],"sources":{"cve":[{"id":"CVE-2019-8526","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.","status":"published","published":"2019-12-18T17:33:16Z","modified":"2025-10-21T23:35:55.289Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-17916","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.","status":"published","published":"2019-12-18T17:33:16Z","modified":"2025-10-21T23:35:55Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2023-04-17","updated_at":"2026-11-02T20:31:24.816637Z"}],"ghsa":[{"id":"GHSA-p8m9-gxw7-g5pf","title":"A use after free issue was addressed with improved memory management. This issue is fixed in...","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.","status":"published","published":"2022-05-24T17:04:10Z","modified":"2025-10-22T00:32:53Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:04:07.112106Z"}],"kev":[{"id":"CVE-2019-8526","title":"Apple macOS Use-After-Free Vulnerability","description":"Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.","cwes":["CWE-416"],"kev":{"date_added":"2023-04-17","due_date":"2023-05-08","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2019-8526","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.","status":"published","published":"2019-12-18T18:15:24.223Z","modified":"2026-06-17T02:42:06.077Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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-416"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}