CVE-2026-28955
Memory Corruption in Apple iOS and iPadOS
Publication date: 2026-05-11
Last updated on: 2026-05-11
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ios | 18.7.9 |
| apple | ipados | 18.7.9 |
| apple | ios | 26.5 |
| apple | ipados | 26.5 |
| apple | macos_tahoe | 26.5 |
| apple | tvos | 26.5 |
| apple | visionos | 26.5 |
| apple | watchos | 26.5 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is related to improper memory handling when processing maliciously crafted web content. It can cause an unexpected process crash on affected Apple operating systems.
How can this vulnerability impact me? :
The impact of this vulnerability is that processing malicious web content may cause an unexpected crash of a process, potentially disrupting normal device operation.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems as soon as possible.
- Update iOS and iPadOS devices to version 18.7.9 or 26.5.
- Update macOS Tahoe to version 26.5.
- Update tvOS, visionOS, and watchOS to version 26.5.
These updates include improved memory handling that addresses the issue causing unexpected process crashes when processing maliciously crafted web content.