CVE-2026-43684 — HIGH (7.8)

Q: How severe is CVE-2026-43684?

CVE-2026-43684 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-43684?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos.

Vulnerability Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Ipados	< 26.7
Apple	Iphone Os	< 26.7
Apple	Macos	>= 15.0, < 15.8

Related Weaknesses (CWE)

CWE-416

References

https://support.apple.com/en-us/149035Release NotesVendor Advisory
https://support.apple.com/en-us/149041Release NotesVendor Advisory
https://support.apple.com/en-us/149043Release NotesVendor Advisory

FAQ

What is CVE-2026-43684?

CVE-2026-43684 is a vulnerability with a CVSS score of 7.8 (HIGH). A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected ...

How severe is CVE-2026-43684?

CVE-2026-43684 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43684?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos.