CVE-2025-43408 Auth bypass in macOS

Low 2.4 Published Updated

An attacker with physical access can bypass lock screen restrictions to read contacts on macOS devices.

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

What is CVE-2025-43408?

CVE-2025-43408 is a low-severity authentication bypass vulnerability in Apple Macos, published on 4 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This issue was addressed by restricting options offered on a locked device. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. An attacker with physical access may be able to access contacts from the lock screen.

Weakness: CWE-284

Which versions are affected by CVE-2025-43408?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2025-43408?

No fix has been published for CVE-2025-43408 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-43408 being exploited?

There is no known exploitation of CVE-2025-43408 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-c5r8-2x4w-9v34.

Is CVE-2025-43408 in your software?

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

Check your SBOMs for free