macOS Tahoe 26.1 PrivRelay Activation Failure Multi-User (logic error)
CVE-2025-43506 Published on December 12, 2025
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.
Vulnerability Analysis
CVE-2025-43506 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2025-43506 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2025-43506
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Affected Versions
Apple macOS:- Version unspecified and below 26.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.