CVE-2026-28931: Apple iPadOS

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.

Affected products

• Apple iPadOS: before 26.6 (fixed in 26.6)
• Apple iPhone OS: before 26.6 (fixed in 26.6)
• Apple macOS: from 26.0, before 26.6 (fixed in 26.6)
• Apple tvOS: before 26.6 (fixed in 26.6)
• Apple watchOS: before 26.6 (fixed in 26.6)

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