{"id":"CVE-2021-1829","aliases":["EUVD-2021-7293","GHSA-fgc6-r27g-4r9x"],"status":"published","title":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS...","description":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.","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":"2026-11-12","score":0.02269,"percentile":0.833,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2021-09-08T14:43:20Z","modified":"2026-06-17T03:32:37Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT212325","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1829"},{"url":"https://github.com/advisories/GHSA-fgc6-r27g-4r9x"}],"sources":{"cve":[{"id":"CVE-2021-1829","description":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:43:20Z","modified":"2024-08-03T16:25:06.103Z","updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7293","description":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:43:20Z","modified":"2024-08-03T16:25:06Z","updated_at":"2026-11-03T03:25:14.678157Z"}],"ghsa":[{"id":"GHSA-fgc6-r27g-4r9x","title":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS...","description":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-24T19:13:37Z","modified":"2023-01-30T05:01:57Z","cwes":["CWE-843"],"updated_at":"2026-11-02T14:46:31.662536Z"}],"nvd":[{"id":"CVE-2021-1829","description":"A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T15:15:10.32Z","modified":"2026-06-17T03:32:37.867Z","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":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}