vulnerability

OS X update for Kernel (CVE-2021-30739)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 23, 2021
Added
Aug 23, 2021
Modified
Aug 13, 2025

Description

A local attacker may be able to elevate their privileges. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A memory corruption issue was addressed with improved validation.

Solutions

apple-osx-security-update-2021-003-catalinaapple-osx-security-update-2021-004-mojaveapple-osx-upgrade-11_4
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.