CVE-2026-86963

Medium

Description

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to cause a denial-of-service.

SeverityMedium

CVSS5.9

Exploit probability—

Product

Apple Ipados

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

apple ipados26.7.2 or later
Apple iOS and iPadOS26.7, 27 or later
apple iphone_os26.7.2 or later

Vendor advisories

support.apple.com/en-us/149034
support.apple.com/en-us/149041

Affected products

Product	Affected versions	Fixed in
apple ipados	v < 26.7.2	26.7.2
Apple iOS and iPadOS	v < 26.7, v < 27	26.7, 27
apple iphone_os	v < 26.7.2	26.7.2

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