Apple security advisory (AV26-248)

Serial number: AV26-248
Date: March 18, 2026

On March 17, 2026, Apple published a security update to address vulnerabilities in the following products:

• iOS – versions prior to 26.3.1
• iPadOS – versions prior to 26.3.1
• macOS – versions prior to 26.3.1
• macOS – versions prior to 26.3.2

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• About the security content of Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2
• Apple security releases