Information disclosure in macOS - CVE-2026-84626

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Main Vulnerability Database Vulnerabilities #VU149856

Information disclosure in macOS - CVE-2026-84626

Published: September 15, 2026


Vulnerability identifier: #VU149856
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-2026-84626
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to excessive data output in NetworkExtension. A local application can identify, which other applications were installed by the user. 


Affected software

macOS
Apple iOS
iPadOS
tvOS
watchOS
visionOS

How to mitigate CVE-2026-84626

Install updates from vendor's website.

macOS - addressed in versions 26.7 25G229, 15.8 24H23, 27.0 26A428
Apple iOS - addressed in versions 26.7 23H24, 27.0 24A427, 27.0 24A437
iPadOS - addressed in versions 26.7 23H24, 27.0 24A437
tvOS - update to 27.0 24J361
watchOS - update to 27.0 24R364
visionOS - update to 27.0

External References

Related Security Bulletins