CVE-2026-20624 Missing authorization in macOS

Medium 5.5 Published Updated

An injection issue allows an app to access sensitive user data, requiring an update to macOS.

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-2026-20624?

CVE-2026-20624 is a medium-severity missing authorization vulnerability in Apple Macos, published on 11 Feb 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

An injection issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.

Weakness: CWE-863

Which versions are affected by CVE-2026-20624?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-20624?

No fix has been published for CVE-2026-20624 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-20624 being exploited?

There is no known exploitation of CVE-2026-20624 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-cm39-88fp-pv6j.

Is CVE-2026-20624 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free