CVE-2026-86903 Information disclosure in iOS and iPadOS

Medium 5.5 Published Updated

An out-of-bounds read allows an app to disclose kernel memory, requiring an OS upgrade to fix.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-86903?

CVE-2026-86903 is a medium-severity vulnerability in Apple Ipados, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.

Weakness: CWE-125

Which versions are affected by CVE-2026-86903?

It affects 6 products.

Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos, Apple Watchos.

How do I fix CVE-2026-86903?

No fix has been published for CVE-2026-86903 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86903 being exploited?

There is no known exploitation of CVE-2026-86903 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-h8hc-wrg9-mpj2.

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