Information disclosure in Apple Safari - CVE-2026-84518
Published: September 15, 2026
Vulnerability identifier: #VU149923
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84518
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Safari. A remote attacker can determine, which applications are installed by the user.
Affected software
Apple Safari
Apple iOS
iPadOS
macOS
Apple iOS
iPadOS
macOS
How to mitigate CVE-2026-84518
Install updates from vendor's website.
Apple Safari - update to 27.0
Apple iOS - addressed in versions 27.0 24A427, 27.0 24A437
iPadOS - update to 27.0 24A437
macOS - update to 27.0 26A428
Apple iOS - addressed in versions 27.0 24A427, 27.0 24A437
iPadOS - update to 27.0 24A437
macOS - update to 27.0 26A428