CVE-2026-28817 Race condition in macOS

High 8.1 Published Updated

A race condition allows a sandboxed process to circumvent sandbox restrictions, potentially leading to privilege escalation or security bypass.

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-2026-28817?

CVE-2026-28817 is a high-severity vulnerability in Apple Macos, published on 25 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A sandboxed process may be able to circumvent sandbox restrictions.

Weakness: CWE-362

Which versions are affected by CVE-2026-28817?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-28817?

No fix has been published for CVE-2026-28817 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-28817 being exploited?

There is no known exploitation of CVE-2026-28817 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-p8x5-crg3-hj6v.

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