Vulnerability Description
An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to access sensitive user data.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 26.4 |
| Apple | Iphone Os | < 26.4 |
| Apple | Macos | < 26.4 |
| Apple | Tvos | < 26.4 |
| Apple | Visionos | < 26.4 |
| Apple | Watchos | < 26.4 |
References
- https://support.apple.com/en-us/126792Release NotesVendor Advisory
- https://support.apple.com/en-us/126794Release NotesVendor Advisory
- https://support.apple.com/en-us/126797Release NotesVendor Advisory
- https://support.apple.com/en-us/126798Release NotesVendor Advisory
- https://support.apple.com/en-us/126799Release NotesVendor Advisory
- https://support.apple.com/en-us/127111
FAQ
What is CVE-2026-28870?
CVE-2026-28870 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4...
How severe is CVE-2026-28870?
CVE-2026-28870 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-2026-28870?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.