Vulnerability Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27. Processing a maliciously crafted file may lead to unexpected app termination.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 26.7 |
| Apple | Iphone Os | < 26.7 |
| Apple | Macos | >= 15.0, < 15.8 |
| Apple | Tvos | < 27.0 |
| Apple | Visionos | < 27.0 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/149034Release NotesVendor Advisory
- https://support.apple.com/en-us/149035Release NotesVendor Advisory
- https://support.apple.com/en-us/149036Release NotesVendor Advisory
- https://support.apple.com/en-us/149038Release NotesVendor Advisory
- https://support.apple.com/en-us/149041Release NotesVendor Advisory
- https://support.apple.com/en-us/149042Release NotesVendor Advisory
- https://support.apple.com/en-us/149043Release NotesVendor Advisory
FAQ
What is CVE-2026-28966?
CVE-2026-28966 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 2...
How severe is CVE-2026-28966?
CVE-2026-28966 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-2026-28966?
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.