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CVE-2026-86903

5.5 · MEDIUM

An out-of-bounds read was addressed with improved input validation.

Published Sep 14, 2026appleCWE-125EPSS 0.16%

Overview

CVE-2026-86903 is a medium-severity vulnerability affecting apple ipados. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from apple. Update ipados to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
appleipados>= 0, < 27.0Affected
appleiphone_os>= 0, < 27.0Affected
applemacos>= 0, < 27.0Affected
appletvos>= 0, < 27.0Affected
applevisionos>= 0, < 27.0Affected
applewatchos>= 0, < 27.0Affected

References

Refsupport.apple.com/en-us/149034Refsupport.apple.com/en-us/149035Refsupport.apple.com/en-us/149036Refsupport.apple.com/en-us/149037Refsupport.apple.com/en-us/149038

How CyberStrike helps

Frequently asked questions

What is CVE-2026-86903?

CVE-2026-86903 is a medium-severity vulnerability affecting apple ipados. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-86903?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-86903?

Check the references section for vendor advisories and patches from apple. Update ipados to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-86903?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-86903 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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