What’s Vulnerable › Vulnerabilities
CVE-2026-84419: Out-of-Bounds Write
- Severity: medium (CVSS 6.8 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 2026-10-15
- Weakness: CWE-787
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
- Citrix Workspace app for Windows: before 2603.20 CR; before LTSR 2607 Hotfix 1; before LTSR 2507 CU3 Hotfix 1 — fixed in 2603.20 CR, LTSR 2507 CU3 Hotfix 1, LTSR 2607 Hotfix 1
How to fix
Upgrade to a fixed version: Citrix Workspace app for Windows 2603.20 CR, LTSR 2507 CU3 Hotfix 1, LTSR 2607 Hotfix 1. Check the vendor advisory for mitigations.
References
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