CVE-2026-43667

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-17 · updated 2026-08-25
Weakness: CWE-617

Description

A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to cause a denial-of-service.

Affected products

Apple iPadOS: before 18.7.10 — fixed in 18.7.10
Apple Iphone Os: before 18.7.10 — fixed in 18.7.10

How to fix

Upgrade to a fixed version: Apple iPadOS 18.7.10; Apple Iphone Os 18.7.10. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127119
https://support.apple.com/en-us/127120
https://support.apple.com/en-us/148287

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