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

This issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.

Attack Vector Physical

Attack Complexity High

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

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.

No EPSS score available.

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 Citrix Workspace app for Windows unaffected
Version Status Constraints
0 affected < 2603.11 Current Release (CR)
0 affected < 2507.1 LTSR CU3
0 affected < LTSR 2607

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=CTX697034&articleTitle=Citrix_Workspace_app_for_Windows_Security_Bulletin_CVE_2026_78546_and_CVE_2026_78547 cve-icon cve-icon
History

Fri, 11 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description Out-of-bounds write vulnerability in Citrix Citrix Workspace app for Windows. This issue affects Citrix Workspace app for Windows: before 2603.11 Current Release (CR), before 2507.1 LTSR CU3, and before LTSR 2607.
Title Out-of-Bounds Write
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 4.4, 'vector': 'CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

ssvc

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Citrix

Published:

Updated: 2026-09-11T19:34:31.103Z

Reserved: 2026-08-24T18:48:00.120Z

Link: CVE-2026-78547

cve-icon Vulnrichment

Updated: 2026-09-11T19:34:28.134Z

cve-icon NVD

Status : Received

Published: 2026-09-11T20:18:53.757

Modified: 2026-09-11T20:18:53.757

Link: CVE-2026-78547

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses