Not rated
CVE-2021-30821 A memory corruption issue was addressed with improved memory handling
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| macOS 11.6 | earliest → < 11.6 | 11.6 |
Other CVEs of macOS
The 3813 CVEs of macOS →
CVE-2026-86925
An authorization issue was addressed with improved state management
5.5
Medium
CVE-2026-84627
A buffer overflow was addressed with improved bounds checking
7.8
High
CVE-2026-113945
An out-of-bounds read was addressed with improved bounds checking
5.5
Medium
CVE-2026-65327
A logic issue was addressed with improved checks
8.4
High