CVE-2026-88771
Hackers exploit Citrix NetScaler zero-day to deploy web shells
Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, and spread into internal networks. Mandiant says the attacks began in at least early September and are believed to have impacted organizations in North America and Europe across the government, financial services, […]
Citrix confirms two NetScaler RCE zero-days exploited in attacks
Citrix has confirmed that two critical NetScaler remote code execution vulnerabilities, tracked as CVE-2026-88771 and CVE-2026-88772, are being exploited in attacks and that it has released security updates to fix the flaws. The vulnerabilities are the same zero-days that cybersecurity researchers, IT providers, and national cybersecurity agencies began privately warning organizations about over the weekend. […]