Vulnerability Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.9 |
| Apple | Iphone Os | < 18.7.9 |
| Apple | Macos | >= 14.0, < 14.8.7 |
| Apple | Tvos | < 26.5 |
| Apple | Visionos | < 26.5 |
| Apple | Watchos | < 26.5 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/127110Release NotesVendor Advisory
- https://support.apple.com/en-us/127111Release NotesVendor Advisory
- https://support.apple.com/en-us/127115Release NotesVendor Advisory
- https://support.apple.com/en-us/127116Release NotesVendor Advisory
- https://support.apple.com/en-us/127117Release NotesVendor Advisory
- https://support.apple.com/en-us/127118Release NotesVendor Advisory
- https://support.apple.com/en-us/127119Release NotesVendor Advisory
- https://support.apple.com/en-us/127120Release NotesVendor Advisory
FAQ
What is CVE-2026-43668?
CVE-2026-43668 is a vulnerability with a CVSS score of 7.5 (HIGH). A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Ta...
How severe is CVE-2026-43668?
CVE-2026-43668 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43668?
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.