---
id: "CVE-2026-86931"
kind: "vulnerability"
aliases: ["CVE-2026-86931"]
title: "Apple macOS: memory management flaw lets an app read sensitive user data"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple", "endpoints", "infrastructure", "macos"]
not_affected_if: ["patched-macos"]
published_at: "2026-10-26T21:20:30+00:00"
first_seen_at: "2026-10-26T21:55:22+00:00"
updated_at: "2026-10-26T21:56:56+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86931", "first_seen_at": "2026-10-26T21:55:22+00:00"}]
---

# Apple macOS: memory management flaw lets an app read sensitive user data

Apple fixed a privacy issue in macOS memory management that lets a local app access sensitive user data. The sources do not give a CVSS score or describe the exact trigger.

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

## How to check

- Run `sw_vers -productVersion` and compare against the fixed builds listed in the advisory.
- unknown

## Fix

- Update macOS Sequoia to `15.8.2` or later.
- Update macOS Tahoe to `26.7.2` or later.
- Update to macOS Golden Gate `27` or later.

## Timeline

- 2026-10-26T21:55:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-86931

## From the sources

A privacy issue was addressed with improved memory management. 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 access sensitive user data.

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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_