---
id: CVE-2026-84420
title: >-
  Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.


  This issue affects Citrix Workspace app for Windows: before 2603.20 CR, before
  LTSR 2607, and before LTSR 2507 CU3.
summary: >-
  Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.


  This issue affects Citrix Workspace app for Windows: before 2603.20 CR, before
  LTSR 2607, and before LTSR 2507 CU3.
severity: none
cwe:
  - CWE-125
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T22:18:58.800'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84420'
references:
  - url: >-
      https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181
    label: secure@citrix.com
tags:
  - nvd
ingestedAt: '2026-10-13T23:03:54.750Z'
---

## Overview

Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.

This issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.

## Remediation

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