Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
5DescriptionCVE.org
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory.
AnalysisAI
Out-of-bounds memory access in the macOS SMB client kernel component allows a malicious or compromised SMB server to corrupt kernel memory when a victim connects to it, resulting in unexpected system termination or potentially kernel-level code execution. All macOS releases prior to Sequoia 15.8, Tahoe 26.7, and Golden Gate 27 are affected. …
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-78112
GHSA-2j2x-q52r-gmg8