CVE-2026-20648 — MEDIUM (5.5)

Q: What is CVE-2026-20648?

CVE-2026-20648 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

Q: How severe is CVE-2026-20648?

CVE-2026-20648 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-2026-20648?

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

Vulnerability Description

A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	< 26.3

Related Weaknesses (CWE)

CWE-200

References

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

FAQ

What is CVE-2026-20648?

CVE-2026-20648 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

How severe is CVE-2026-20648?

CVE-2026-20648 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-2026-20648?

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