This document describes the security content of iOS 26.4.2 and iPadOS 26.4.2.
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
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Released April 22, 2026
Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later
Impact: Notifications marked for deletion could be unexpectedly retained on the device
Description: A logging issue was addressed with improved data redaction.
CVE-2026-28950