CVE-2026-86916 Apple iOS & macOS - Use After Free

Apple iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.2 contain a use after free vulnerability caused by improper memory management, letting apps execute arbitrary code with kernel privileges, exploit requires malicious app execution.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Use After Free
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-416

Vendor fix

Update to iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7.2.

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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