Name: CVE-2026-78547: Out-of-bounds Write
Creator: Rapid7
Published: 2026-09-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-78547, CWE-787, CVSS 4.4, EPSS 0.00147

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.

CVSS Details

CVSS 4.0 Base Score: 4.4 (MEDIUM)
CVSS 4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Citrix Workspace App	—	Upgrade Citrix Workspace App to the latest version	Sep 9, 2026	Aug 9, 2026

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CVSS Details

Covered by Rapid7

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