#VU58863 Use-after-free in macOS - CVE-2021-30927

Vulnerability identifier: #VU58863

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-30927

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
macOS

Software vendor:
Apple Inc.

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the OS kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.

Install updates from vendor's website.

• https://support.apple.com/en-us/HT212978