New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline
Today’s signal The Hacker News recently reported New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline. Published context: October 5, 2026. Citrix has released security updates for a high-severity security flaw in NetScaler ADC and Citrix NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as CVE-2026-88779, carries a CVSS score of 8.7 out of 10.0. “CVE-2026-88779 is a memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScale ...