What’s Vulnerable › Vulnerabilities
CVE-2021-1829
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-09-08 · updated 2026-06-17
- Weakness: CWE-843
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.
Affected products
- Apple macOS: from 11.0 before 11.3 — fixed in 11.3
How to fix
Upgrade to a fixed version: Apple macOS 11.3. Check the vendor advisory for mitigations.
References
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