CVE-2026-43686: Connecting to a malicious NFS server may lead to kernel memory corruption in Apple iOS and iPadOS
CVE-2026-43686 is a use-after-free vulnerability in Apple iOS and iPadOS that may lead to kernel memory corruption when connecting to a malicious NFS server. The issue has been addressed with improved memory management and fixed in iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free flaw in the kernel of Apple operating systems including iOS and iPadOS. When a device connects to a malicious NFS server, it may trigger kernel memory corruption due to improper memory management. Apple has fixed this issue by improving memory management in the kernel. The fix is included starting from iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this vulnerability could lead to kernel memory corruption, which may result in system instability, crashes, or potentially arbitrary code execution at the kernel level. This could compromise the security and integrity of affected devices.
Mitigation Recommendations
A fix is available and has been released by Apple in iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27. Users and administrators should update to these versions or later to remediate the vulnerability.
CVE-2026-43686: Connecting to a malicious NFS server may lead to kernel memory corruption in Apple iOS and iPadOS
Description
CVE-2026-43686 is a use-after-free vulnerability in Apple iOS and iPadOS that may lead to kernel memory corruption when connecting to a malicious NFS server. The issue has been addressed with improved memory management and fixed in iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Apple
watchOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free flaw in the kernel of Apple operating systems including iOS and iPadOS. When a device connects to a malicious NFS server, it may trigger kernel memory corruption due to improper memory management. Apple has fixed this issue by improving memory management in the kernel. The fix is included starting from iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
Successful exploitation of this vulnerability could lead to kernel memory corruption, which may result in system instability, crashes, or potentially arbitrary code execution at the kernel level. This could compromise the security and integrity of affected devices.
Mitigation Recommendations
A fix is available and has been released by Apple in iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27. Users and administrators should update to these versions or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.642Z
- State
- PUBLISHED
Threat ID: 6aa860f255bf5e2cf59d2200
Added to database: 09/14/2026, 21:02:42 UTC
Last enriched: 09/14/2026, 22:23:14 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 18
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