CVE-2026-39875 Privilege escalation in macOS

High 7.8 Published 27 Jul 2026 Updated 5 Aug 2026

A malicious app can gain root privileges on macOS due to insufficient permission restrictions, requiring users to update their operating system.

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-2026-39875?

CVE-2026-39875 is a high-severity vulnerability in Apple Macos, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

Weakness: CWE-276

Which versions are affected by CVE-2026-39875?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-39875?

No fix has been published for CVE-2026-39875 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-39875 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-39875 exists.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-cvfc-pf53-87qw.