Improper input validation in macOS - CVE-2025-43389

Vulnerability identifier: #VU118014

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-2025-43389

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

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

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

macOS
visionOS
iPadOS
Apple iOS

Install update from vendor's website.

macOS - addressed in versions 26.1 25B78, 14.8.2 23J126, 15.7.2 24G325
visionOS - update to 26.1
iPadOS - addressed in versions 18.7.2 22H124, 26.1 23B85
Apple iOS - addressed in versions 18.7.2 22H124, 26.1 23B85

• https://support.apple.com/en-us/125634

• Multiple vulnerabilities in Apple macOS Tahoe
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 26 and iPadOS 26
• Multiple vulnerabilities in Apple visionOS
• Multiple vulnerabilities in Apple iOS 18 and iPadOS 18