---
id: CVE-2026-65329
title: An authentication issue was addressed with improved state management
summary: >-
  An authentication issue was addressed with improved state management. This
  issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, iOS 27 and iPadOS 27. An
  attacker in a privileged network position may be able to bypass IPSec
  authentication and …
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N'
cwe:
  - CWE-287
vendor: apple
product: ipados
affected:
  - ipados < 26.6.1
  - iphone_os < 26.6.1
patched:
  - ipados 26.6.1
  - iphone_os 26.6.1
published: '2026-08-17'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T21:17:16.833'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-65329'
references:
  - url: 'https://support.apple.com/en-us/148282'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149034'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00242
epssPercentile: 0.13667
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-18T13:19:08.064380Z'
ingestedAt: '2026-09-14T21:15:17.548Z'
---

## Overview

An authentication issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to bypass IPSec authentication and intercept network traffic.

## Affected

- `ipados < 26.6.1`
- `iphone_os < 26.6.1`

## Remediation

Upgrade past the affected range:

- `ipados 26.6.1`
- `iphone_os 26.6.1`