CVE-2026-84509

MediumCVSS 6.5/10Last modified Sep 17, 2026

Description

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 server may lead to unexpected system termination.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Sep 14, 2026
Last modified
Sep 17, 2026
NVD status
Analyzed

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CVE-2026-84509: Medium severity, CVSS 6.5 | Vulnix