CVE-2025-43331 Security feature bypass in macOS
An app can bypass code-signing restrictions to access protected user data on macOS, requiring an OS upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43331?
CVE-2025-43331 is a medium-severity vulnerability in Apple Macos, published on 15 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.
Weakness: CWE-862
Which versions are affected by CVE-2025-43331?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43331?
No fix has been published for CVE-2025-43331 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-43331 being exploited?
There is no known exploitation of CVE-2025-43331 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-wq63-c47m-8cf5.