---
id: "CVE-2026-65356"
kind: "vulnerability"
aliases: ["CVE-2026-65356"]
title: "Apple macOS: an app can read sensitive user data via access flaw"
severity: "medium"
cvss: 5.5
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple", "endpoints", "infrastructure", "macos"]
not_affected_if: ["patched-macos"]
published_at: "2026-10-20T01:17:16+00:00"
first_seen_at: "2026-10-23T21:57:19+00:00"
updated_at: "2026-10-25T04:12:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65356", "first_seen_at": "2026-10-23T21:57:19+00:00"}]
---

# Apple macOS: an app can read sensitive user data via access flaw

Apple fixed an access control issue in macOS that lets an app reach sensitive user data it should not be able to read. The sources give no further technical detail on the affected component.

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

## How to check

- Check the installed macOS version with `sw_vers -productVersion` and compare it with the fixed releases listed in the fix field.

## Fix

- Update macOS to Golden Gate 27, Sequoia 15.8, or Tahoe 26.7, or a later build of the same release line.

## Timeline

- 2026-10-23T21:57:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-65356

## From the sources

An access issue was addressed with improved access controls. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.

---

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