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MEDIUM · 5.5

CVE-2026-20669

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

Vulnerability Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

CVSS Score

5.5

MEDIUM

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

Affected Products

VendorProductVersions
AppleMacos< 26.3

Related Weaknesses (CWE)

CWE-22

References

FAQ

What is CVE-2026-20669?

CVE-2026-20669 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

How severe is CVE-2026-20669?

CVE-2026-20669 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-2026-20669?

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