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
apple: ipados; apple: iphone os; apple: macos; apple: tvos; apple: watchos
References4
- support.apple.com/en-us/128066 Release NotesVendor Advisory
- support.apple.com/en-us/128067 Release NotesVendor Advisory
- support.apple.com/en-us/128068 Release NotesVendor Advisory
- support.apple.com/en-us/128069 Release NotesVendor Advisory
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 43 · as of 13 November 2026
- CWE
- CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.