CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
Affected products
citrix: receiver; citrix: workspace
References5
- support.citrix.com/article/CTX251986 Vendor Advisory
- support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr… Vendor Advisory
- support.citrix.com/article/CTX251986 Vendor Advisory
- support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr… Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 8% percentile: 95 · as of 10 November 2026
- CWE
- CWE-284
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.