EUVD-2026-77953
GHSA-355f-mvmj-jr2r
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
5DescriptionCVE.org
An out-of-bounds read 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 share may disclose kernel memory.
AnalysisAI
An out-of-bounds read in Apple's macOS SMB client allows a malicious SMB server to leak kernel memory to an attacker when a user connects to a shared folder, fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Exploitation requires the victim to initiate a connection to an attacker-controlled or compromised SMB share (CVSS UI:R), so it is user-interaction dependent rather than wormable, and the raw impact is confidentiality only — kernel memory disclosure, not code execution. …
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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
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