Out-of-Bounds Read Vulnerability in Citrix Workspace App for Windows
CVE-2026-84420

5.8MEDIUM

Key Information:

Vendor

Citirx

Status
Citrix Workspace App For Windows
Vendor
CVE Published:
13 October 2026

What is CVE-2026-84420?

An out-of-bounds read vulnerability exists in the Citrix Workspace app for Windows, potentially allowing attackers to access sensitive memory contents. This issue impacts specific versions prior to 2603.20 CR and the LTSR editions, which could lead to unintended data exposure. It is crucial for users to update to the latest versions to mitigate the risk associated with this vulnerability.

Affected Version(s)

Citrix Workspace app for Windows 0 < 2603.20 CR

Citrix Workspace app for Windows 0

Citrix Workspace app for Windows 0

References

https://support.citrix.com/support-home/kbsearch/article?...

CVSS V4

Score:
5.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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