Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
7DescriptionCVE.org
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.
AnalysisAI
Kernel memory corruption in Apple XNU kernel allows a remote attacker to potentially execute arbitrary code or crash the system when a victim connects to a malicious NFS server. Affected are all Apple operating systems—iOS, iPadOS, macOS, tvOS, and watchOS—before version 26.6. No active exploitation or public exploit code has been observed, and EPSS indicates a low probability of widespread attacks.
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Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-49422
GHSA-qc34-g3j9-jc55