CVE-2026-43688 Apple iOS & iPadOS & macOS Golden Gate - Denial of Service

Apple iOS 27, iPadOS 27, and macOS Golden Gate 27 contain a memory corruption caused by insufficient input validation when processing maliciously crafted files, letting attackers cause denial of service, exploit requires crafted malicious file.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-1021

Vendor fix

Update to iOS 27, iPadOS 27, and macOS Golden Gate 27 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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