High severityNVD Advisory· Published Sep 27, 2026
CVE-2026-88777
CVE-2026-88777
Description
Memory overflow vulnerability 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 unpredictable or erroneous behavior or Denial of Service
Affected products
2- Range: <14.1-73.37, <13.1-64.23, <14.1-73.37 FIPS, <13.1.37.279 FIPS and NDcPP
- Range: <14.1-73.37, <13.1-64.23
Patches
Vulnerability mechanics
References
1News mentions
1- Citrix Confirms NetScaler 0-Day RCE Vulnerabilities Actively Exploited in AttackCyber Security News · Sep 27, 2026