Vulnerability Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 26.6.1 |
| Apple | Iphone Os | < 26.6.1 |
| Apple | Macos | >= 15.0, < 15.8 |
| Apple | Tvos | < 27.0 |
| Apple | Visionos | < 27.0 |
| Apple | Watchos | < 27.0 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/148281Release NotesVendor Advisory
- https://support.apple.com/en-us/148282Release NotesVendor Advisory
- https://support.apple.com/en-us/149036Release NotesVendor Advisory
- https://support.apple.com/en-us/149037Release NotesVendor Advisory
- https://support.apple.com/en-us/149038Release NotesVendor Advisory
- https://support.apple.com/en-us/149043Release NotesVendor Advisory
FAQ
What is CVE-2026-64736?
CVE-2026-64736 is a vulnerability with a CVSS score of 7.1 (HIGH). An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27...
How severe is CVE-2026-64736?
CVE-2026-64736 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-64736?
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.