CVE-2026-84550 Race condition in macOS
A race condition in macOS allows an app to cause unexpected system termination, requiring an OS upgrade to fix.
- 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-2026-84550?
CVE-2026-84550 is a medium-severity vulnerability in Apple Macos, published on 14 Sep 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 additional validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Weakness: CWE-362
Which versions are affected by CVE-2026-84550?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-84550?
No fix has been published for CVE-2026-84550 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84550 being exploited?
There is no known exploitation of CVE-2026-84550 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-hpxv-j3jh-w9cm.