CVE-2026-88771

Citrix NetScaler Improper Input Validation Vulnerability
81.9%
EPSS
100%
Percentile
Yes
Known exploited
1
APAC news · 90d
Summary

Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands.

Vendor
Citrix
Product
NetScaler
Added to KEV
Sep 27, 2026
Remediation due
Sep 30, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-119
EPSS
81.9% as of Nov 12
In the news · last mention Oct 5
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded