CVE-2026-86886

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-10-26
Weakness: CWE-22

Description

A path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.

Affected products

Apple iPadOS: before 26.7 — fixed in 26.7
Apple Iphone Os: before 26.7 — fixed in 26.7
Apple watchOS: before 27.0 — fixed in 27.0
Apple iOS and iPadOS: before 26.7; before 27 — fixed in 26.7, 27
Apple watchOS: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple iPadOS 26.7; Apple Iphone Os 26.7; Apple watchOS 27.0; Apple iOS and iPadOS 26.7, 27; Apple watchOS 27. Check the vendor advisory for mitigations.

References

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