Main Vulnerability Database Vulnerabilities #VU124363

#VU124363 Use after free in macOS - CVE-2026-20687

Published: March 25, 2026

Vulnerability identifier: #VU124363

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-2026-20687

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
macOS

Software vendor:
Apple Inc.

Description

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

The vulnerability exists due to a use-after-free error in Kernel. A local application can cause unexpected system termination or write kernel memory.

Install update from vendor's website.