CVE-2026-84543

HighCVSS 7.5/10Last modified Sep 16, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Sep 14, 2026
Last modified
Sep 16, 2026
NVD status
Analyzed

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CVE-2026-84543: High severity, CVSS 7.5 | Vulnix