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.

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History

Wed, 16 Sep 2026 15:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Wed, 16 Sep 2026 10:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Access in macOS SMB Client Leading to Kernel Corruption
Weaknesses CWE-119

Tue, 15 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 09:30:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Access in macOS SMB Client Leading to Kernel Corruption
Weaknesses CWE-119

Tue, 15 Sep 2026 02:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-15T18:13:49.090Z

Reserved: 2026-09-01T21:13:17.751Z

Link: CVE-2026-84543

cve-icon Vulnrichment

Updated: 2026-09-15T18:13:45.478Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:30.620

Modified: 2026-09-16T14:47:51.130

Link: CVE-2026-84543

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T09:45:15Z

Weaknesses