CVE-2025-43506 Security feature bypass in macOS
A logic error in macOS prevents iCloud Private Relay from activating when multiple users are logged in, bypassing privacy protections.
- 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-2025-43506?
CVE-2025-43506 is a high-severity vulnerability in Apple Macos, published on 12 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A logic error was addressed with improved error handling. This issue is fixed in macOS Tahoe 26.1. iCloud Private Relay may not activate when more than one user is logged in at the same time.
Weakness: CWE-843
Which versions are affected by CVE-2025-43506?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43506?
No fix has been published for CVE-2025-43506 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-43506 being exploited?
There is no known exploitation of CVE-2025-43506 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-hxrq-3q3q-73qm.