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MEDIUM · 4.4

CVE-2026-20603

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

Vulnerability Description

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

CVSS Score

4.4

MEDIUM

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

Affected Products

VendorProductVersions
AppleMacos< 26.3

Related Weaknesses (CWE)

CWE-284

References

FAQ

What is CVE-2026-20603?

CVE-2026-20603 is a vulnerability with a CVSS score of 4.4 (MEDIUM). This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

How severe is CVE-2026-20603?

CVE-2026-20603 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20603?

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