CVE-2026-43684 Apple iOS & macOS - Use After Free

Apple iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, and macOS Sequoia 15.8 contain a use-after-free vulnerability caused by improper memory management, letting apps cause system termination or kernel memory corruption, exploit requires malicious app.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-416

Vendor fix

Update to iOS 26.7, iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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