CVE-2026-28945 Security feature bypass in macOS
An app can bypass network restrictions due to insufficient sandbox permissions, requiring an OS update to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-28945?
CVE-2026-28945 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, and only if a user opens a file or follows a link.
Official description
A permissions issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to bypass network restrictions.
Weakness: CWE-284
Which versions are affected by CVE-2026-28945?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28945?
No fix has been published for CVE-2026-28945 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28945 being exploited?
There is no known exploitation of CVE-2026-28945 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-8574-xjhr-vxc8.