CVE-2026-84631 Privilege escalation in macOS

High 7.8 Published Updated

An app may gain root privileges due to missing entitlement checks, requiring an OS upgrade to mitigate.

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-2026-84631?

CVE-2026-84631 is a high-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 additional entitlement checks. This issue is fixed in macOS Golden Gate 27. An app may be able to gain root privileges.

Weakness: CWE-280

Which versions are affected by CVE-2026-84631?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-84631?

No fix has been published for CVE-2026-84631 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-84631 being exploited?

There is no known exploitation of CVE-2026-84631 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-w8q9-p5c9-x72g.

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