Main Vulnerability Database Vulnerabilities #VU122692

Improper input validation in macOS - CVE-2026-20656

Published: February 11, 2026

Vulnerability identifier: #VU122692

CSH Severity: Low

CVSS v4: 4.8 [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]

CVE-ID: CVE-2026-20656

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient input validation in Safari. A local application can access a user\'s Safari history.

macOS
iPadOS
Apple iOS
Apple Safari

Install update from vendor's website.

macOS - update to 26.3 25D125
iPadOS - update to 18.7.5 22H311
Apple iOS - update to 18.7.5 22H311
Apple Safari - update to 26.3