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Apple Environment Variable Handling Vulnerability Allowing Access to Sensitive User Data

Vulnerability

A vulnerability exists in the handling of environment variables, which could allow an application to access sensitive user data. This issue has been addressed with improved validation. The vulnerability is present in multiple Apple operating systems, including watchOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3, iOS 26.3, and iPadOS 26.3.

Impact

Exploitation of this vulnerability could lead to unauthorized access to sensitive user information.

Remediation

Users can update to watchOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3, iOS 26.3, or iPadOS 26.3 to address this vulnerability.

Added: Feb 11, 2026, 11:53 PM
Updated: Feb 11, 2026, 11:53 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
3.3
remediation
7.7
relevance
3.0
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.