---
id: "CVE-2026-84498"
kind: "vulnerability"
aliases: ["CVE-2026-84498"]
title: "Apple macOS: improved memory handling stops apps reading kernel memory"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple-devices", "infrastructure", "macos"]
not_affected_if: []
published_at: "2026-10-26T21:19:59+00:00"
first_seen_at: "2026-10-26T21:55:21+00:00"
updated_at: "2026-10-26T21:57:17+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84498", "first_seen_at": "2026-10-26T21:55:21+00:00"}]
---

# Apple macOS: improved memory handling stops apps reading kernel memory

Apple fixed a memory handling flaw in macOS that lets a local app read kernel memory. The sources do not give a score or detail beyond the info disclosure.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- unknown

## Fix

- Update macOS Golden Gate 27, macOS Sequoia to `15.8.2`, or macOS Tahoe to `26.7.2` (the fixed builds named in the advisory text)

## Timeline

- 2026-10-26T21:55:21+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-84498

## From the sources

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to disclose kernel memory.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_