CVE-2026-84420 - Vulnerability Details - OpenCVE

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.

Attack Vector Local

Attack Complexity High

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00092.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Citirx

Citrix Workspace app for Windows

unaffected

Version	Status	Constraints
`0`	affected	< 2603.20 CR
`0`	affected	< LTSR 2607
`0`	affected	< LTSR 2507 CU3

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181

History

Tue, 13 Oct 2026 22:00:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Out-of-Bounds Write and Out-of-Bounds Read
Weaknesses		CWE-125
References		https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181
Metrics		cvssV4_0 `{'score': 5.8, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Citrix

Published: 2026-10-13T21:47:44.392Z

Updated: 2026-10-13T21:47:44.392Z

Reserved: 2026-09-01T17:47:17.683Z

Link: CVE-2026-84420

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-10-13T22:18:58.800

Modified: 2026-10-14T16:04:11.750

Link: CVE-2026-84420

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

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