CVE-2026-88772: citrix netscaler_application_delivery_controller, citrix netscaler_gateway

CVSS 9.5 (critical) · listed as exploited by CISA since 2026-09-27 · published 2026-09-27

Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to Remote Code Execution or Denial of Service

Affected products (NVD): citrix netscaler_application_delivery_controller, citrix netscaler_gateway

Fixed in (NVD): 13.1-64.23, 13.1.37.279, 14.1-73.37

Weakness: CWE-119

Source: NVD CVE-2026-88772

References

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096&articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88772

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.