CVE-2026-20602
Analyzed
Analyzed - Analysis Complete
Cache Handling Flaw in macOS Causes Denial-of-Service Risk
Publication date: 2026-02-11
Last updated on: 2026-04-02
Assigner: Apple Inc.
Description
Description
The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to cause a denial-of-service.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | to 14.8.4 (exc) |
| apple | macos | From 15.0 (inc) to 15.7.4 (exc) |
| apple | macos | From 26.0 (inc) to 26.3 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper handling of caches in certain versions of macOS. An application may exploit this issue to cause a denial-of-service condition on affected systems.
How can this vulnerability impact me? :
The vulnerability can allow an application to cause a denial-of-service, potentially making the affected macOS system unresponsive or unavailable.
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 system to the fixed versions of macOS: Sequoia 15.7.4, Tahoe 26.3, or Sonoma 14.8.4.
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