CVE-2026-84579

File Reference from Network Share Allows Arbitrary Local Execution

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title File Reference from Network Share Allows Arbitrary Local Execution
Type Values Removed Values Added
Title Logic Flaw Enables Arbitrary Execution via Network Share Files
Weaknesses CWE-20
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'}

Type Values Removed Values Added
Title Logic Flaw Enables Arbitrary Execution via Network Share Files
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 2, 2026, 4:40 PM
Reserved
Sep 1, 2026, 9:13 PM
Status
Analyzed
Published
Oct 20, 2026, 1:17 AM
Modified
Nov 3, 2026, 9:10 PM