High severity7.8NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026
CVE-2021-30859
CVE-2021-30859
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: macOS Big Sur 11.6
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.6
iPadOS 14.8+ 1 more
- (no CPE)range: iPadOS 14.8
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.8
- Range: iOS 14.8
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: <10.15.7
- cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3News mentions
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