---
id: "CVE-2026-86989"
kind: "vulnerability"
aliases: ["CVE-2026-86989"]
title: "Apple iOS and iPadOS: authorization flaw lets apps fingerprint the user"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "ios", "ipados", "mobile-fleet"]
not_affected_if: ["already-on-fixed-version"]
published_at: "2026-10-26T21:20:37+00:00"
first_seen_at: "2026-10-26T21:55:22+00:00"
updated_at: "2026-10-26T21:56:28+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86989", "first_seen_at": "2026-10-26T21:55:22+00:00"}]
---

# Apple iOS and iPadOS: authorization flaw lets apps fingerprint the user

An authorization weakness in iOS and iPadOS, fixed with improved state management, lets an app fingerprint the device user. The sources do not describe the exact data exposed or the trigger conditions.

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

## How to check

- Check the device version in Settings > General > About; the sources do not give a command-line check.
- unknown

## Fix

- Update iOS to `26.7.2` or later on iPhone, or `27.2` or later on the iOS 27 line.
- Update iPadOS to `26.7.2` or later, or `27.2` or later on the iPadOS 27 line.

## Timeline

- 2026-10-26T21:55:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-86989

## From the sources

An authorization issue was addressed with improved state management. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2. An app may be able to fingerprint the user.

---

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