8.8
High
CVE-2026-28931 A buffer overflow was addressed with improved bounds checking
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 26.6 | earliest → < 26.6 | 26.6 |
| macOS 26.6 | earliest → < 26.6 | 26.6 |
| tvOS 26.6 | earliest → < 26.6 | 26.6 |
| watchOS 26.6 | earliest → < 26.6 | 26.6 |
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