Improper error handling in macOS - CVE-2025-43506
Published: November 4, 2025
Vulnerability identifier: #VU118053
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43506
CWE-ID: CWE-388
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker to gain access to sensitive information.
the vulnerability exists due to incorrect error handling in Networking. iCloud Private Relay may not activate when more than one user is logged in at the same time, which can lead to information disclosure.
Affected software
macOS
How to mitigate CVE-2025-43506
Install updates from vendor's website.
macOS - update to 26.1 25B78