CVE-2026-78547

Out-of-Bounds Write

State: Published
Severity: 4.4 Medium
Published: Sep 11, 2026
Updated: Sep 11, 2026
Reserved: Aug 24, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	4.4 Medium	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	Citrix

Weaknesses

CWE-787 Out-of-bounds write

Affected Products

Product	Versions
Citrix Workspace app for WindowsCitrix	before 2603.11 Current Release (CR)Affected before 2507.1 LTSR CU3Affected before LTSR 2607Affected

References

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

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