Security
New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline
The Hacker News·October 5, 2026·1 min read
Citrix released security updates for a high-severity zero-day vulnerability in NetScaler ADC and Citrix NetScaler Gateway, tracked as CVE-2026-88779 with a CVSS score of 8.7. The flaw, a memory overflow, has been exploited in targeted attacks and can knock SAML deployments offline. Organizations using affected products are advised to apply the updates promptly to mitigate risk.
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