CVE-2026-88772High· 8.1▾ Abyssal⚠ Exploited in the wild0dayPoC availableVulnerability 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-…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 44.6 · likelihood 15.6 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 2 sources. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Sep 30, 2026
4 GitHub repos · Metasploit ×1
Last analysed / modified upstream
9.5 → 8.1
critical → high
1.3%
1.3% → 78%
Added to the CISA catalog on Sep 27, 2026. Federal remediation due Sep 30, 2026. View catalog ↗
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
netscaler_application_delivery_controller >= 13.1, < 13.1-64.23netscaler_application_delivery_controller >= 13.1, < 13.1.37.279netscaler_application_delivery_controller >= 14.1, < 14.1-73.37netscaler_application_delivery_controller >= 14.1-66.68, <= 14.1-73.37netscaler_gateway >= 13.1, < 13.1-64.23netscaler_gateway >= 14.1, < 14.1-73.37Upgrade past the affected range:
netscaler_application_delivery_controller 14.1-73.37netscaler_gateway 14.1-73.37Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-88779High· 7.5Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.
CVE-2026-88777Critical· 9.8Memory 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: befo…
CVE-2023-4966Critical· 9.4Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
CVE-2026-88774High· 7.2Vulnerability 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-…
CVE-2026-88771Critical· 9.8Improper input validation 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 1…
CVE-2026-88775Critical· 9.8Memory overflow 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 …