CVE-2026-43718: Apple iPadOS

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A stack overflow was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected products

• Apple iPadOS: before 26.5.2 (fixed in 26.5.2)
• Apple iPhone OS: before 26.5.2 (fixed in 26.5.2)
• Apple macOS: from 26.0, before 26.5.2 (fixed in 26.5.2)
• Apple Safari: before 26.5.2 (fixed in 26.5.2)

Published 2026-06-29. Last modified 2026-07-27.