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

7.5HIGH

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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