CVE-2026-84579 - Vulnerability Details - OpenCVE

A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Apple	Macos

No data.

No data.

References

Link	Providers
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

History

Mon, 02 Nov 2026 22:15:00 +0000

Type	Values Removed	Values Added
Title		File Reference from Network Share Allows Arbitrary Local Execution

Mon, 02 Nov 2026 19:30:00 +0000

Type	Values Removed	Values Added
Title	Logic Flaw Enables Arbitrary Execution via Network Share Files
Weaknesses	CWE-20

Mon, 02 Nov 2026 17:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-703
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 20 Oct 2026 12:45:00 +0000

Type	Values Removed	Values Added
Title		Logic Flaw Enables Arbitrary Execution via Network Share Files
Weaknesses		CWE-20

Tue, 20 Oct 2026 03:15:00 +0000

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

Tue, 20 Oct 2026 01:15:00 +0000

Type	Values Removed	Values Added
Description		A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution.
References		https://support.apple.com/en-us/149035 https://support.apple.com/en-us/149042 https://support.apple.com/en-us/149043

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-10-20T00:50:37.488Z

Updated: 2026-11-02T16:40:35.669Z

Reserved: 2026-09-01T21:13:17.756Z

Link: CVE-2026-84579

Vulnrichment

Updated: 2026-10-20T14:11:31.844Z

NVD

Status : Undergoing Analysis

Published: 2026-10-20T01:17:23.593

Modified: 2026-11-02T17:17:45.340

Link: CVE-2026-84579

Redhat

No data.

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