CVE-2025-43506

Dec. 18, 2025, 3:01 p.m.

7.5
High

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.

Product(s) Impacted

Vendor Product Versions
Apple
  • Macos
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
The product 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.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o apple macos / / / / / / / /

References

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

Tags

product-security@apple.com
2025-12-12
CVE-2025-43506

CVSS Score

7.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

    View Vector String

Timeline

Published: Dec. 12, 2025, 9:15 p.m.
Last Modified: Dec. 18, 2025, 3:01 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

product-security@apple.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.