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CVE-2026-86940: An app may be able to disclose kernel memory in Apple macOS

0
Medium
VulnerabilityCVE-2026-86940cvecve-2026-86940
Published: 10/20/2026 (10/20/2026, 00:50:53 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: macOS

Description

A vulnerability in Apple macOS allows an application to potentially disclose kernel memory. The issue was resolved by removing the vulnerable code and is fixed in macOS Golden Gate 27. Versions prior to 27 are affected.

Affected software

Apple

macOS

Affected versions
>=0 <27
GitHub Actionsmore threats →ai
apple/macos
pkg:github/apple/macos
Affected versions
>=0 <27

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 01:34:12 UTC

Technical Analysis

CVE-2026-86940 describes a vulnerability in Apple macOS where an application may be able to disclose kernel memory. The vulnerability was addressed by removing the vulnerable code, with the fix implemented in macOS Golden Gate 27. This means that all versions before 27 are affected by this issue.

Potential Impact

An application exploiting this vulnerability could potentially access sensitive kernel memory, which may lead to information disclosure. No further details on exploitation or additional impacts are provided.

Mitigation Recommendations

The vulnerability is fixed in macOS Golden Gate 27. Users and administrators should update to this version to remediate the issue.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.880Z
State
PUBLISHED

Threat ID: 6ad6c19d2cdf04f656e4a8be

Added to database: 10/20/2026, 01:19:25 UTC

Last enriched: 10/20/2026, 01:34:12 UTC

Last updated: 10/20/2026, 01:48:10 UTC

Views: 3

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