CVE-2026-28872: Apple iPadOS

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.

Affected products

• Apple iPadOS: before 18.7.9 (fixed in 18.7.9); from 26.0, before 26.4 (fixed in 26.4)
• Apple iPhone OS: before 18.7.9 (fixed in 18.7.9); from 26.0, before 26.4 (fixed in 26.4)

Published 2026-05-11. Last modified 2026-06-17.