CVE-2026-84420

Out-of-Bounds Write and Out-of-Bounds Read

Published Oct 13, 2026 CVSS 4.0 · 5.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Out-of-Bounds Write and Out-of-Bounds Read
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 5.8, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Citrix
Published
Updated
Oct 14, 2026, 6:26 PM
Reserved
Sep 1, 2026, 5:47 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 10:18 PM
Modified
Oct 14, 2026, 7:17 PM