Vulnerability Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.7 |
| Apple | Iphone Os | < 18.7.7 |
| Apple | Macos | >= 15.0, < 15.7.5 |
| Apple | Tvos | < 26.4 |
| Apple | Watchos | < 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/126795Release NotesVendor Advisory
- https://support.apple.com/en-us/126797Release NotesVendor Advisory
- https://support.apple.com/en-us/126798Release NotesVendor Advisory
FAQ
What is CVE-2026-20687?
CVE-2026-20687 is a vulnerability with a CVSS score of 7.1 (HIGH). A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, ...
How severe is CVE-2026-20687?
CVE-2026-20687 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-2026-20687?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.