CVE-2026-28908 Denial of service in macOS
An app can cause a denial of service and modify protected file system parts on macOS, requiring a system update.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28908?
CVE-2026-28908 is a high-severity denial of service vulnerability in Apple Macos, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to modify protected parts of the file system.
Weakness: CWE-400
Which versions are affected by CVE-2026-28908?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28908?
No fix has been published for CVE-2026-28908 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-28908 being exploited?
There is no known exploitation of CVE-2026-28908 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-wqj7-458q-4h8g.