Citrix NetScaler ADC

10 known vulnerabilities in Citrix NetScaler ADC, 4 critical, 4 actively exploited, with patch priority, exploit likelihood and the news covering them.

Recently exploited

  • CVE-2026-88772 CVSS 9.5 critical · actively exploited Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
  • CVE-2026-88771 CVSS 9.5 critical · actively exploited Citrix NetScaler Improper Input Validation Vulnerability
  • CVE-2023-4966 CVSS 7.5 high · actively exploited Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
  • CVE-2023-3519 CVSS 9.8 critical · actively exploited Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Latest vulnerabilities

  • CVE-2026-88778 CVSS 8.8 high Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC…
  • CVE-2026-88777 CVSS 8.8 high Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before…
  • CVE-2026-88776 CVSS 8.8 high Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before…
  • CVE-2026-88775 CVSS 8.8 high Memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before…
  • CVE-2026-88774 CVSS 7.0 high Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before…
  • CVE-2026-88773 CVSS 9.3 critical Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Citrix NetScaler ADC and Citrix…
  • CVE-2026-88772 CVSS 9.5 critical · actively exploited Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
  • CVE-2026-88771 CVSS 9.5 critical · actively exploited Citrix NetScaler Improper Input Validation Vulnerability
  • CVE-2023-4966 CVSS 7.5 high · actively exploited Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
  • CVE-2023-3519 CVSS 9.8 critical · actively exploited Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability