CVE-2026-28954
High
Description
A file quarantine bypass was addressed with additional checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A maliciously crafted disk image may bypass Gatekeeper checks.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apple Ipados
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-290CWE-290
How to fix
Update
- apple ipados18.7.9 or later
- apple iphone_os18.7.9 or later
- apple macos14.8.7, 15.7.7, 26.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 18.7.9 | 18.7.9 |
| apple iphone_os | v < 18.7.9 | 18.7.9 |
| apple macos | 14.0 ≤ v < 14.8.7, 15.0 ≤ v < 15.7.7, 26.0 ≤ v < 26.5 | 14.8.7, 15.7.7, 26.5 |
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