CVE-2026-84554
Medium
Description
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to cause a denial-of-service.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Apple Macos
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- apple macos15.8, 26.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple macos | 15.0 ≤ v < 15.8, 26.0 ≤ v < 26.7 | 15.8, 26.7 |
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