CVE-2026-84576 Information disclosure in macOS

Medium 5.5 Published Updated

An application can access sensitive user data on macOS, requiring a system update to mitigate the information disclosure risk.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-84576?

CVE-2026-84576 is a medium-severity vulnerability in Apple Macos, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.

Weakness: CWE-200

Which versions are affected by CVE-2026-84576?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-84576?

No fix has been published for CVE-2026-84576 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-84576 being exploited?

There is no known exploitation of CVE-2026-84576 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-j67j-j496-4378.

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