CVE-2026-28918
Medium
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Ipados
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-125Out-of-bounds readCWE-787Out-of-bounds write
How to fix
Update
- apple ipados26.5 or later
- apple iphone_os26.5 or later
- apple macos26.5 or later
- apple tvos26.5 or later
- apple visionos26.5 or later
- apple watchos26.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 26.5 | 26.5 |
| apple iphone_os | v < 26.5 | 26.5 |
| apple macos | 26.0 ≤ v < 26.5 | 26.5 |
| apple tvos | v < 26.5 | 26.5 |
| apple visionos | v < 26.5 | 26.5 |
| apple watchos | v < 26.5 | 26.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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