CVE-2026-20608
Use-After-Free in Apple Safari and OS Web Components Causes Process Crash
Publication date: 2026-02-11
Last updated on: 2026-04-02
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | to 26.3 (exc) |
| apple | visionos | to 26.3 (exc) |
| apple | ipados | to 18.7.5 (exc) |
| apple | ipados | From 26.0 (inc) to 26.3 (exc) |
| apple | iphone_os | to 18.7.5 (exc) |
| apple | iphone_os | From 26.0 (inc) to 26.3 (exc) |
| apple | safari | to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper state management when processing maliciously crafted web content. It can cause an unexpected process crash on affected Apple operating systems and Safari browser versions.
How can this vulnerability impact me? :
The impact of this vulnerability is that processing specially crafted web content may cause an unexpected crash of the affected process, potentially disrupting normal device or application operation.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
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 devices and software to the fixed versions: macOS Tahoe 26.3, iOS 18.7.5, iPadOS 18.7.5, visionOS 26.3, iOS 26.3, iPadOS 26.3, and Safari 26.3.