CVE-2026-28852: Apple iPadOS

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A stack overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.

Affected products

• Apple iPadOS: before 18.7.7 (fixed in 18.7.7); from 26.0, before 26.4 (fixed in 26.4)
• Apple iPhone OS: before 18.7.7 (fixed in 18.7.7); from 26.0, before 26.4 (fixed in 26.4)
• Apple macOS: from 15.0, before 15.7.5 (fixed in 15.7.5); from 26.0, before 26.4 (fixed in 26.4)
• Apple tvOS: before 26.4 (fixed in 26.4)
• Apple visionOS: before 26.4 (fixed in 26.4)
• Apple watchOS: before 26.4 (fixed in 26.4)

Published 2026-03-25. Last modified 2026-06-17.