CVE-2026-28820 — MEDIUM (5.3)

Q: What is CVE-2026-28820?

CVE-2026-28820 is a vulnerability with a CVSS score of 5.3 (MEDIUM). This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

Q: How severe is CVE-2026-28820?

CVE-2026-28820 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-28820?

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

Vulnerability Description

This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 26.0, < 26.4

Related Weaknesses (CWE)

CWE-200

References

https://support.apple.com/en-us/126794Vendor Advisory

FAQ

What is CVE-2026-28820?

CVE-2026-28820 is a vulnerability with a CVSS score of 5.3 (MEDIUM). This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

How severe is CVE-2026-28820?

CVE-2026-28820 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-28820?

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