NetScaler Admins Urged to Patch Critical Zero-Day Vulnerabilities in ADC and Gateway

Citrix has advised administrators of NetScaler ADC and NetScaler Gateway to immediately patch critical remote code execution (RCE) vulnerabilities, tracked as CVE-2026-88771 and CVE-2026-88772. These zero-day flaws, with a CVSS rating of 9.5, allow unauthenticated attackers to execute arbitrary commands on affected appliances, posing a severe security risk.