Main Vulnerability Database Vulnerabilities #VU149922

Information disclosure in macOS - CVE-2026-84606

Published: September 15, 2026

Vulnerability identifier: #VU149922

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-2026-84606

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to track users.

The vulnerability exists due to excessive data output in iCloud. A local application can identify a user across reinstalls.

macOS
Apple iOS
iPadOS

Install updates from vendor's website.

macOS - update to 27.0 26A428
Apple iOS - addressed in versions 27.0 24A427, 27.0 24A437
iPadOS - update to 27.0 24A437