CVE-2026-20684 Security feature bypass in macOS

Low 3.3 Published Updated

An application can bypass Gatekeeper security checks on macOS, allowing potentially malicious software to run without proper verification.

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-2026-20684?

CVE-2026-20684 is a low-severity vulnerability in Apple Macos, published on 25 Mar 2026. 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

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checks.

Weakness: CWE-284

Which versions are affected by CVE-2026-20684?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-20684?

No fix has been published for CVE-2026-20684 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20684 being exploited?

There is no known exploitation of CVE-2026-20684 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-8j6h-jv9f-2r4r.

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