CitrixCVE-2026-78547
Citrix Workspace app for Windows: out-of-bounds write
Medium4.4CVE-2026-78547 · Published Sep 11, 2026 · updated Sep 16, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Citrix Workspace app for Windows Product | < 2603.11 Current Release (CR) | 2603.11 Current Release (CR) |
| < 2507.1 LTSR CU3 | 2507.1 LTSR CU3 | |
| < LTSR 2607 | LTSR 2607 |
Details and references
- CVSS 4.0
- 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
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-787
More Citrix advisories
All Citrix| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 11 | Citrix Workspace app for Windows: out-of-bounds read | Medium4.8 | 2603.11 Current Release (CR)+2 more |
| Aug 18 | External control of file name or path vulnerability in Citrix WorkSpace App on... | Medium5.2 | No fix yet |
| Jul 14 | Citrix Secure Access Client for Windows: out-of-bounds read | Medium6.8 | 26.6.1.20 |
| Jul 14 | Citrix Endpoint Analysis Client for Windows: improper privilege management | High8.5 | Secure Access Client for Windows 26.6.1.20+1 more |