CVE-2026-28838 Security feature bypass in macOS
An app can break out of its sandbox, allowing potential privilege escalation or code execution on macOS systems.
- 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-2026-28838?
CVE-2026-28838 is a medium-severity vulnerability in Apple Macos, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A permissions issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
Weakness: CWE-284
Which versions are affected by CVE-2026-28838?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28838?
No fix has been published for CVE-2026-28838 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28838 being exploited?
There is no known exploitation of CVE-2026-28838 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-7j45-7q44-56w8.