An out-of-bounds write 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 lead to kernel memory corruption.

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History

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

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 10:00:00 +0000

Type Values Removed Values Added
Title Out-Of-Bounds Write in SMB Handling Leads to Kernel Memory Corruption
Weaknesses CWE-120

Tue, 15 Sep 2026 01:45:00 +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 write 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 lead to kernel memory corruption.
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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-15T18:24:52.438Z

Reserved: 2026-09-01T21:13:17.748Z

Link: CVE-2026-84515

cve-icon Vulnrichment

Updated: 2026-09-15T18:24:44.031Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-14T21:17:28.043

Modified: 2026-09-15T19:17:42.683

Link: CVE-2026-84515

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T09:45:17Z

Weaknesses