Product:
iOS
Summary
An issue existed in the handling of environment variables. This issue was addressed with improved validation. An app may be able to access sensitive user data.
Details
| Severity | Base Score | CVE |
|---|---|---|
| MEDIUM | 5.5 | CVE-2026-20627 |
Exploitation
To exploit this vulnerability, an attacker would need to run a malicious application on a vulnerable device. The app could manipulate environment variables to gain unauthorized access to sensitive user data, potentially leading to data leakage or privacy violations.
Affected Products
- watchOS 26.3: Improved validation of environment variables to prevent unauthorized data access.
- macOS Tahoe 26.3: Addressed vulnerabilities in environment variable handling.
- macOS Sonoma 14.8.4: Fixed issues related to sensitive data exposure through environment variables.
- visionOS 26.3: Enhanced security measures for environment variable management.
- iPadOS 26.3: Resolved vulnerabilities that could allow apps to access sensitive user data.
Mitigation
To mitigate this vulnerability, users should update their devices to the latest versions of the affected operating systems. Regularly applying security updates will help protect against potential exploitation of this issue.