Logic Error in iCloud Private Relay for MacOS Tahoe by Apple
CVE-2025-43506

Currently unrated

Key Information:

Vendor: Apple
Status: Mac OS
Vendor: CVE Published:; 12 December 2025

What is CVE-2025-43506?

A logic error has been identified in iCloud Private Relay on macOS Tahoe, impacting the functionality when multiple users are logged in simultaneously. This issue has been rectified through enhanced error handling in version 26.1.

Affected Version(s)

macOS < 26.1

References

https://support.apple.com/en-us/125634

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Dec 12, 2025
Vulnerability Reserved
Apr 16, 2025

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