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MEDIUM · 5.5

CVE-2026-20602

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.

Vulnerability 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 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
AppleMacos< 14.8.4

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2026-20602?

CVE-2026-20602 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.

How severe is CVE-2026-20602?

CVE-2026-20602 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20602?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.