0.0
NA
CVE-2026-86903
Apple Kernel Out-of-Bounds Read
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.

INFO

Published Date :

Sept. 14, 2026, 9:17 p.m.

Last Modified :

Sept. 14, 2026, 9:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-86903 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple tvos
3 Apple watchos
4 Apple macos
5 Apple watchos
6 Apple visionos
Solution
Update affected systems to the latest versions to prevent kernel memory disclosure.
  • Update iOS and iPadOS to version 27.
  • Update macOS Golden Gate to version 27.
  • Update tvOS to version 27.
  • Update visionOS and watchOS to version 27.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-86903.

URL Resource
https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-86903 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-86903 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-86903 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-86903 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 14, 2026

    Action Type Old Value New Value
    Added 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.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/86xxx/CVE-2026-86903.json">CVE-2026-86903</a>
    Added Reference https://support.apple.com/en-us/149034
    Added Reference https://support.apple.com/en-us/149035
    Added Reference https://support.apple.com/en-us/149036
    Added Reference https://support.apple.com/en-us/149037
    Added Reference https://support.apple.com/en-us/149038
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.