Zero-day vulnerability in

Improper authentication
CVE-2025-31201

Vulnerability details

Advisory: SB20250416166 - Multiple vulnerabilities in Apple iOS 18 and iPadOS 18

Vulnerable component:

CVE-ID: CVE-2025-31201

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-287 - Improper Authentication

Description:

The vulnerability allows a local application to bypass pointer authentication process.

The vulnerability exists due to an error in RPAC. A local application with read and write permissions can bypass pointer authentication and escalate privileges on the system.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://support.apple.com/en-us/122282

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.