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
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.
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Meta Information
Published
2026-02-11
Last Modified
2026-04-02
Generated
2026-06-16
AI Q&A
2026-02-12
EPSS Evaluated
2026-06-14
NVD
CVE-2026-20602
Affected Vendors & Products
Showing 3 associated CPEs
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
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
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Executive Summary

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.

Impact Analysis

The vulnerability can allow an application to cause a denial-of-service, potentially making the affected macOS system unresponsive or unavailable.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

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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