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.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

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 0.00108.

Exploitation none

Automatable no

Technical Impact partial

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

Vendor Product Default status Versions
Citrix Workspace app for Windows unaffected
Version Status Constraints
0 affected < 2603.20 CR
0 affected < LTSR 2607 Hotfix 1
0 affected < LTSR 2507 CU3 Hotfix 1

No data.

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Project Subscriptions

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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 cve-icon cve-icon
History

Thu, 15 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
Description 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.
Title Out-of-Bounds Write
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 6.8, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Citrix

Published:

Updated: 2026-10-15T16:43:51.461Z

Reserved: 2026-09-01T17:47:16.441Z

Link: CVE-2026-84419

cve-icon Vulnrichment

Updated: 2026-10-15T16:38:01.660Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T22:18:58.643

Modified: 2026-10-15T17:17:29.137

Link: CVE-2026-84419

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T02:30:15Z

Weaknesses