Vulnerability · Published Oct 13, 2026 · Assigned by Citrix
CVE-2026-84419Out-of-Bounds Write
Medium 6.8
In plain English
A medium-severity out-of-bounds write in 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 3% of all known vulnerabilities).
Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Workspace app for Windows | 0 – before 2603.20 CR0 – before LTSR 2607 Hotfix 10 – before LTSR 2507 CU3 Hotfix 1 |
Weakness: CWE-787 · 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