CVE-2026-84420
Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.
Published Oct 13, 2026 · updated Oct 14, 2026
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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · Catalog
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-84420
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-84420
30-day exploitation probability 0.1%
first.org - NIST NVDVulnerability recordCVE-2026-84420
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.
nvd.nist.gov