CVE-2026-28872
High
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apple Ipados
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- apple ipados18.7.9, 26.4 or later
- apple iphone_os18.7.9, 26.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 18.7.9, 26.0 ≤ v < 26.4 | 18.7.9, 26.4 |
| apple iphone_os | v < 18.7.9, 26.0 ≤ v < 26.4 | 18.7.9, 26.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.