CVE-2026-78547

MEDIUM CVSS 4.0: 4.4 EPSS 0.15%
Updated Sep 11, 2026
Citrix
Parameter Value
CVSS 4.4 (MEDIUM)
Affected Versions before 2603.11
Type CWE-787 (Out-of-bounds Write)
Vendor Citrix
Public PoC No

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.

Attack Parameters

Attack Vector
Physical
Requires physical access
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)