{"id":"CVE-2020-3886","aliases":["EUVD-2020-25151","GHSA-j69r-w7x9-cqh4"],"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 Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00992,"percentile":0.62811,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-12-23T19:48:33Z","modified":"2026-06-17T03:19:12Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT211100","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3886"},{"url":"https://github.com/advisories/GHSA-j69r-w7x9-cqh4"}],"sources":{"cve":[{"id":"CVE-2020-3886","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-12-23T19:48:33Z","modified":"2024-08-04T07:52:19.502Z","updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25151","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-12-23T19:48:33Z","modified":"2024-08-04T07:52:19Z","updated_at":"2026-11-03T03:08:08.458165Z"}],"ghsa":[{"id":"GHSA-j69r-w7x9-cqh4","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 Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-12-24T00:00:30Z","modified":"2023-02-03T05:03:23Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:53:20.596522Z"}],"nvd":[{"id":"CVE-2020-3886","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-12-23T20:15:08.827Z","modified":"2026-06-17T03:19:12.197Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:46.101987Z"}]}}