Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exploited in the Wild
Two Citrix NetScaler zero-days (CVE-2026-88771, CVE-2026-88772) are being exploited in the wild, giving attackers unauthenticated access to perimeter infrastructure—patch or isolate affected appliances without delay.
Summary written by editorial AI · Source link below
Unit 42 is aware of possible 0-day activity against NetScaler devices. Citrix reports CVE-2026-88771, CVE-2026-88772 have been exploited in the wild. The post Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exploited in the Wild appeared first on Unit 42 .
Editorial Analysis
NetScaler appliances guard network perimeters across European enterprises; active zero-day exploitation means unpatched devices are likely already targeted.
Immediately apply Citrix-provided patches or workarounds and conduct forensic review of all NetScaler appliances for compromise indicators.
Two actively exploited zero-day vulnerabilities in Citrix NetScaler require immediate patching to prevent perimeter breach.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
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