CVE-2026-84419
Out-of-bounds write vulnerability in Citrix Workspace app for Windows.
Published Oct 13, 2026 · updated Oct 15, 2026
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.
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 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.
Oct 14, 2026 · NIST NVD
Updated
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.
Oct 15, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-84419
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-84419
30-day exploitation probability 0.1%
first.org - NIST NVDVulnerability recordCVE-2026-84419
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.
nvd.nist.gov