# CVE-2019-11634: Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

> CVE-2019-11634: Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2019-11634
Last updated: 2026-08-12T03:55:49Z

- Published: 2019-05-22 16:46 UTC · Updated: 2026-08-12 03:55 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 8.1%, 95th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Known

## Description

Citrix Workspace App before 1904 for Windows has Incorrect Access Control.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Citrix: Workspace Application and Receiver for Windows

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-11634)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2019-11634)
- [https://support.citrix.com/article/CTX251986](https://support.citrix.com/article/CTX251986)
- [https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr\_date\_desc&prod=&pver=&ct=Security+Bulletin](https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+Bulletin)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2019-11634 · Markdown: https://rewindex.com/cve/CVE-2019-11634.md · JSON: https://rewindex.com/api/v1/cves/CVE-2019-11634 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:05:56.077Z