---
id: CVE-2026-84419
title: >-
  Out-of-bounds write vulnerability in Citrix Workspace app for Windows.


  This issue affects Workspace app for Windows: before 2603.20 CR, before LTSR
  2607 Hotfix 1, and before LTSR 2507 CU3 Hotfix 1.
summary: >-
  Out-of-bounds write vulnerability in Citrix Workspace app for Windows.


  This issue affects Workspace app for Windows: before 2603.20 CR, before LTSR
  2607 Hotfix 1, and before LTSR 2507 CU3 Hotfix 1.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-787
vendor: Citrix
product: Workspace app for Windows
affected:
  - workspace_app_for_windows < 2603.20 CR
  - workspace_app_for_windows < LTSR 2607 Hotfix 1
  - workspace_app_for_windows < LTSR 2507 CU3 Hotfix 1
published: '2026-10-13'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T17:17:29.137'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84419'
references:
  - url: >-
      https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181
    label: secure@citrix.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T16:35:42.720335Z'
cvssSource: cna
epss: 0.00134
epssPercentile: 0.02914
ingestedAt: '2026-10-13T23:03:54.750Z'
---

## Overview

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

This issue affects Workspace app for Windows: before 2603.20 CR, before LTSR 2607 Hotfix 1, and before LTSR 2507 CU3 Hotfix 1.

## Remediation

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