CVE-2026-28857
Memory Handling Flaw in Safari Causes Process Crash
Publication date: 2026-03-25
Last updated on: 2026-03-26
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ipados | to 26.4 (exc) |
| apple | iphone_os | to 26.4 (exc) |
| apple | macos | From 26.0 (inc) to 26.4 (exc) |
| apple | visionos | to 26.4 (exc) |
| apple | safari | to 26.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The impact of this vulnerability is that processing specially crafted web content could cause the affected application or process to crash unexpectedly. This could lead to denial of service or disruption of normal device operation.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
Can you explain this vulnerability to me?
This vulnerability involves improper memory handling when processing maliciously crafted web content. It can cause an unexpected process crash in affected Apple products such as Safari, iOS, iPadOS, macOS Tahoe, and visionOS.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Apple software to version 26.4 or later for Safari, iOS, iPadOS, macOS Tahoe, and visionOS, as these versions include the fix with improved memory handling.