CVE-2026-84579
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple Macos
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-703CWE-703
How to fix
Update
- apple macos15.8, 26.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | v < 15.8, 26.0 ≤ v < 26.7 | 15.8, 26.7 |
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