Kernel Privilege Escalation Vulnerability in macOS Big Sur 11.3 and Security Update 2021-002 Catalina

CVE-2021-1841 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. An out-of-bounds write issue was addressed with improved bounds checking.

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