Vulnerability Description
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.4 |
| Apple | Ipados | < 18.7.7 |
| Apple | Iphone Os | < 18.7.7 |
| Apple | Macos | < 26.4 |
| Apple | Visionos | < 26.4 |
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/126799Release NotesVendor Advisory
- https://support.apple.com/en-us/126800Release NotesVendor Advisory
FAQ
What is CVE-2026-28861?
CVE-2026-28861 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious web...
How severe is CVE-2026-28861?
CVE-2026-28861 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-28861?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Visionos.