Vulnerability · Published Sep 11, 2026 · Assigned by Citrix
CVE-2026-78547Out-of-Bounds Write
Medium 4.4
In plain English
A medium-severity out-of-bounds write in Citrix Workspace app for Windows from Citrix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)4.4Medium
Exploit odds (30 days)0.1%top 96.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Citrix Workspace app for Windows | 0 – before 2603.11 Current Release (CR)0 – before 2507.1 LTSR CU30 – before LTSR 2607 |
Weakness: CWE-787 · 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