---
id: CVE-2026-112518
title: An issue with signature validation was addressed with improved checks
summary: >-
  An issue with signature validation was addressed with improved checks. This
  issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2,
  visionOS 27.2, watchOS 27.2. An attacker in a privileged network position may
  be a…
severity: none
vendor: Apple
product: iOS and iPadOS
affected:
  - ios_and_ipados < 27.2
  - macOS < 27.2
  - tvOS < 27.2
  - visionOS < 27.2
  - watchOS < 27.2
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:39:03.875Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112518'
references:
  - url: 'https://support.apple.com/en-us/149230'
  - url: 'https://support.apple.com/en-us/149521'
  - url: 'https://support.apple.com/en-us/149524'
  - url: 'https://support.apple.com/en-us/149525'
  - url: 'https://support.apple.com/en-us/149526'
tags:
  - cve.org
epss: 0.00221
epssPercentile: 0.12571
ingestedAt: '2026-10-27T16:11:58.959Z'
---

## Overview

An issue with signature validation was addressed with improved checks. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An attacker in a privileged network position may be able to impersonate a Kerberos KDC.

## Affected

- `ios_and_ipados < 27.2`
- `macOS < 27.2`
- `tvOS < 27.2`
- `visionOS < 27.2`
- `watchOS < 27.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.