HIGH · 8.8

CVE-2026-43686

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7,...

Vulnerability Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Connecting to a malicious NFS server may lead to kernel memory corruption.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AppleIpados< 26.7
AppleIphone Os< 26.7
AppleMacos>= 15.0, < 15.8
AppleTvos< 27.0
AppleVisionos< 27.0
AppleWatchos< 27.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-43686?

CVE-2026-43686 is a vulnerability with a CVSS score of 8.8 (HIGH). A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7,...

How severe is CVE-2026-43686?

CVE-2026-43686 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43686?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.