NetScaler Zero-Day CVE-2026-88779 Is Under Attack: Patching May Not Be Enough

The Critical Stack · Oct 5, 2026 · 3m

A new Citrix NetScaler zero-day is being actively exploited and sits on see-suh's k-e-v catalog, so SAML-configured ADC and Gateway appliances need checking now. We also cover the Nikkei Microsoft 365 spoofing campaign, Google pausing its open-source bug bounty over AI spam, and Apple's tighter Full Disk Access plans.