CVE-2026-20670 — MEDIUM (5.5)

Q: What is CVE-2026-20670?

CVE-2026-20670 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An authorization issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.

Q: How severe is CVE-2026-20670?

CVE-2026-20670 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-20670?

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

Vulnerability Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.8.4, 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

Vendor	Product	Versions
Apple	Macos	>= 14.0, < 14.8.4

References

https://support.apple.com/en-us/126348Release NotesVendor Advisory
https://support.apple.com/en-us/126350Release NotesVendor Advisory

FAQ

What is CVE-2026-20670?

CVE-2026-20670 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An authorization issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to access sensitive user data.

How severe is CVE-2026-20670?

CVE-2026-20670 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-2026-20670?

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