Main Vulnerability Database Vulnerabilities #VU122681

Improper input validation in macOS - CVE-2026-20623

Published: February 11, 2026

Vulnerability identifier: #VU122681

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2026-20623

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Apple Inc.

Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to insufficient input validation in Foundation. A local application can access protected user data.

Install update from vendor's website.