CVE-2025-43321 Security feature bypass in macOS

Medium 5.5 Published Updated

An attacker can bypass security restrictions to access protected user data on Intel Macs by launching unsigned services.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-43321?

CVE-2025-43321 is a medium-severity vulnerability in Apple Macos, published on 15 Sep 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The issue was resolved by blocking unsigned services from launching on Intel Macs. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to access protected user data.

Weakness: CWE-284

Which versions are affected by CVE-2025-43321?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2025-43321?

No fix has been published for CVE-2025-43321 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-43321 being exploited?

There is no known exploitation of CVE-2025-43321 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-gmc2-8cvc-xrmc.

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