CVE-2026-20648
Unauthorized Notification Access Vulnerability in macOS Tahoe
Publication date: 2026-02-11
Last updated on: 2026-02-13
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | to 26.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a privacy issue in macOS Tahoe where a malicious application may be able to access notifications from other iCloud devices. The issue was addressed by moving sensitive data to a protected location to prevent unauthorized access.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow a malicious app to access notifications from other iCloud devices, potentially exposing sensitive information that appears in those notifications.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your system to macOS Tahoe 26.3 or later, where the issue has been fixed by moving sensitive data to a protected location.