https://www.live-feeds.com/feed/citrix-patches-netscaler-saml-zero-day-exploited-in-attacksContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/citrix-patches-netscaler-saml-zero-day-exploited-in-attackshttps://www.live-feeds.com/feed/citrix-patches-netscaler-saml-zero-day-exploited-in-attacks#u108216Wed, 07 Oct 2026 08:17:13 +0000Citrix released emergency security updates for a high-severity memory overflow vulnerability affecting NetScaler ADC and NetScaler Gateway deployments. Tracked as CVE-2026-88779 and carrying a CVSS score of 8.7 out of 10.0, the zero-day flaw has been actively exploited in targeted attacks. The issue can knock SAML deployments offline or trigger a denial-of-service condition when the appliance is configured as a SAML service provider or identity provider. Crucially, the latest wave of exploitation has impacted customer-managed appliances that were already fully patched against earlier zero-day