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.
Published: 2026-09-14
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Wed, 16 Sep 2026 09:15:00 +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 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-16T03:56:43.260Z

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: 2026-09-16T04:18:43.280

Link: CVE-2026-84515

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T09:00:18Z

Weaknesses