CVE-2026-28840 Privilege escalation in macOS
An app can gain root privileges due to a permissions issue in macOS, requiring users to apply the latest security patches.
- 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-2026-28840?
CVE-2026-28840 is a high-severity vulnerability in Apple Macos, published on 11 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.4. An app may be able to gain root privileges.
Weakness: CWE-269
Which versions are affected by CVE-2026-28840?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28840?
No fix has been published for CVE-2026-28840 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28840 being exploited?
There is no known exploitation of CVE-2026-28840 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-h69x-mj2r-cgmj.