Vulnerability Description
This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.7 |
| Apple | Iphone Os | < 18.7.7 |
| Apple | Macos | >= 14.0, < 14.8.5 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/126792Release NotesVendor Advisory
- https://support.apple.com/en-us/126793Release NotesVendor Advisory
- https://support.apple.com/en-us/126794Release NotesVendor Advisory
- https://support.apple.com/en-us/126795Release NotesVendor Advisory
- https://support.apple.com/en-us/126796Release NotesVendor Advisory
FAQ
What is CVE-2026-28866?
CVE-2026-28866 is a vulnerability with a CVSS score of 6.2 (MEDIUM). This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26....
How severe is CVE-2026-28866?
CVE-2026-28866 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-28866?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos.