The UK National Cyber Security Center (NCSC) has urged organizations to take immediate action against eight vulnerabilities affecting customer-managed Citrix NetScaler ADC and NetScaler Gateway appliances. Two critical flaws, CVE-2026-88771 and CVE-2026-88772, are already being exploited against unmitigated systems, turning routine patching into... Weiterlesen: NCSC Urges UK organizations to Patch for Citrix NetScaler ADC and Gat…
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NCSC Urges UK organizations to Patch for Citrix NetScaler ADC and Gateway 0-Day Vulnerabilities
The UK National Cyber Security Center (NCSC) has urged organizations to take immediate action against eight vulnerabilities affecting customer-managed Citrix…
Cyber Threat Intelligence & Forensik
ATT&CK-Navigator · IoC-Radar · Exploit-Belege
Compliance, SLA & Vendor Adherence
Advisory-Prüfung · Score-Einordnung · Fristen
NVD Primärbewertung & CISA SSVCCVE-2026-88772
NVD: AnalyzedNVD 8.1 · HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD-Datenstand: 28.09.2026, 12:26 UTC
Ausnutzung beobachtet: Ja — aktiv Automatisierbar: Nein Technischer Impact: Total
CISA KEV seit 27.09.2026 Frist: 30.09.2026
Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discon
BSI-Warnung (Deutschland)CVE-2026-88771
Citrix NetScaler ADC und Citrix NetScaler Gateway: Mehrere Schwachstellen kritisch27.09.2026CISA-SSVC-Triage (vulnrichment)CVE-2026-88771
Exploitation: active (Aktiv ausgenutzt)Automatable: yes (Automatisierbar)Technical Impact: total (Vollständig)
Quelle: CISA-ADP vulnrichment · Stand 2026-09-28T12:43:00.920024Z · CISA Coordinator
Advisory Radar
Kritischer Zero-Day / Ohne Upstream-Patch
Hersteller-Sicherheitsmeldungen & Patch-Status
Handlungsempfehlung für Administratoren
Wird aktiv im Feld ausgenutzt! Kein verifiziertes Hersteller-Update gemeldet. Sofortige Quarantäne oder WAF-Virtual-Patching zwingend.
Referenzen aus der Primärquelle („Verifiziert" nur bei Hersteller-Domäne):
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Web Referencesupport.citrix.com