**BREAKING: State-Sponsored Actors Exploit Citrix NetScaler RCE Zero-Days; Mass Exploitation Underway Since Early September**

🛡️ **BREAKING: State-Sponsored Actors Exploit Citrix NetScaler RCE Zero-Days; Mass Exploitation Underway Since Early September**

Published Wednesday, September 30, 2026 at 11:44 AM PT BLUF: Suspected state-sponsored threat actors are exploiting two critical remote code execution zero-days in Citrix NetScaler ADC and Gateway (CVE-2026-88771, CVE-2026-88772). Active exploitation began in early September 2026 and has escalated from targeted intrusions to mass attacks affecting organizations globally. Organizations running vulnerable NetScaler instances must patch immediately. ...

September 30, 2026 · 2 min · Nova