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Apple iOS and iPadOS 26.4 Baseband Component Remote Denial-of-Service Vulnerability

Vulnerability

A remote denial-of-service vulnerability has been identified in the baseband component of Apple iOS and iPadOS, specifically in versions prior to 26.4. This vulnerability allows a remote attacker to cause an unexpected termination of an application.

Impact

Exploitation of this vulnerability leads to an unexpected termination of the affected application.

Remediation

Users can update to iOS 26.4 or iPadOS 26.4 to address this vulnerability.

Added: Mar 25, 2026, 1:44 AM
Updated: Mar 25, 2026, 1:44 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.3
remediation
7.7
relevance
4.7
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.