CVE-2026-43819 Information disclosure in macOS
An app may access sensitive user data due to insufficient sandbox restrictions in macOS, requiring a system update.
- 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-2026-43819?
CVE-2026-43819 is a medium-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
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.6. An app may be able to access sensitive user data.
Weakness: CWE-284
Which versions are affected by CVE-2026-43819?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-43819?
No fix has been published for CVE-2026-43819 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-43819 being exploited?
There is no known exploitation of CVE-2026-43819 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-ch5c-cf77-9rpp.