What’s Vulnerable › Vulnerabilities
CVE-2026-84420: Out-of-Bounds Write and Out-of-Bounds Read
- Severity: medium (CVSS 5.8 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-14
- Weakness: CWE-125
Description
Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows. This issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.
Affected products
- Citirx Citrix Workspace app for Windows: before 2603.20 CR; before LTSR 2607; before LTSR 2507 CU3 — fixed in 2603.20 CR, LTSR 2507 CU3, LTSR 2607
How to fix
Upgrade to a fixed version: Citirx Citrix Workspace app for Windows 2603.20 CR, LTSR 2507 CU3, LTSR 2607. Check the vendor advisory for mitigations.
References
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