---
id: "CVE-2026-86923"
kind: "vulnerability"
aliases: ["CVE-2026-86923"]
title: "Apple macOS: privacy control 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: ["already-patched"]
published_at: "2026-10-26T21:20:29+00:00"
first_seen_at: "2026-10-26T21:55:22+00:00"
updated_at: "2026-10-26T21:56:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86923", "first_seen_at": "2026-10-26T21:55:22+00:00"}]
---

# Apple macOS: privacy control flaw lets an app read sensitive user data

An information disclosure flaw in macOS lets an app access sensitive user data it should not reach. Apple fixed it with improved privacy controls in macOS Golden Gate 27, Sequoia 15.8.2 and Tahoe 26.7.2.

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

## How to check

- Run `sw_vers -productVersion` on each Mac and compare against the fixed builds: `27` (Golden Gate), `15.8.2` (Sequoia), `26.7.2` (Tahoe)
- unknown for any other check, the sources do not say

## Fix

- Update macOS to `27`, `15.8.2` or `26.7.2` depending on the installed release, via System Settings > General > Software Update

## Timeline

- 2026-10-26T21:55:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-86923

## From the sources

An information disclosure issue was addressed with improved privacy controls. 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_