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HIGH · 7.5

CVE-2025-43506

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 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AppleMacos< 26.1

Related Weaknesses (CWE)

CWE-843

References

FAQ

What is CVE-2025-43506?

CVE-2025-43506 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2025-43506?

CVE-2025-43506 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-43506?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.