NewsPalo Alto Networks Unit 42
Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exploited in the Wild (Updated September 30)
Linked advisories
- CVE-2026-88772Citrix NetScaler — Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
- CVE-2026-88771Citrix NetScaler — Citrix NetScaler Improper Input Validation Vulnerability
- CVE-2026-88771Citrix NetScaler ADC and Gateway: two unauthenticated RCE zero-days under active exploitation (CVE-2026-88771, CVE-2026-88772)
- CVE-2026-88771Active Exploitation of Vulnerabilities in Citrix NetScaler ADC and Citrix NetScaler Gateway
- CVE-2026-88771Eine Schwachstelle durch unzureichende Eingabe-Validierung in Citrix NetScaler ADC und Citrix NetScaler Gateway.
- CVE-2026-88771Security Advisory 2026-014 — Critical Vulnerabilities in Citrix NetScaler ADC and Gateway
- CVE-2026-88772Schwachstelle in Citrix NetScaler ADC und Citrix NetScaler Gateway.
- CVE-2026-88771Critical vulnerabilities in Citrix NetScaler ADC and Citrix NetScaler Gateway products
- CVE-2026-88771Exploitation of vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway
- CVE-2026-88771UPDATED: Multiple vulnerabilities affecting Citrix NetScaler ADC and NetScaler Gateway products
- CVE-2026-88771Citrix NetScaler ADC und Citrix NetScaler Gateway: Mehrere Schwachstellen
Affected vendors and products
More on NetScaler
Other advisories
- CriticalCVE-2026-88778UPDATED: Multiple vulnerabilities affecting Citrix NetScaler ADC and NetScaler Gateway products
- CriticalCVE-2026-107406Critical Vulnerability in Citrix NetScaler ADC and NetScaler Gateway
- CriticalCVE-2026-107406Citrix NetScaler ADC und Gateway: Schwachstelle ermöglicht Codeausführung und DoS
- CriticalCVE-2026-107406NetScaler ADC: Denial of Service
- CriticalCVE-2026-107406NetScaler ADC: Denial of Service
- CriticalCVE-2026-88779Citrix NetScaler ADC und Gateway: Schwachstelle ermöglicht Denial of Service
- CriticalCVE-2026-88779Schwachstelle in NetScaler ADC und NetScaler Gateway.
- CriticalCVE-2026-88779Citrix NetScaler: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
Other news entries
- This is Fine: What NetScaler Zero-Days Tell Us About the New NormalNewsSecurityWeek
- Multiples vulnérabilités dans Citrix NetScaler ADC et Gateway (27 octobre 2026)NewsCERT-FR (ANSSI)
- Rapid7 Analysis: NetScaler intrusions chaining CVE-2026-88771 and CVE-2026-88779NewsRapid7
- Citrix issues its weekly critical security patch for NetScaler ADC and NetScaler GatewayNewsCSO Online
- Citrix NetScaler ADC und Gateway: Schwachstelle ermöglicht Codeausführung und DoSVulnerabilityBSI CERT-Bund
- Citrix gives NetScaler admins another critical reason to patchNewsThe Register — Security
- Citrix warns admins to patch new NetScaler RCE flaw immediatelyNewsBleepingComputer
- Citrix Patches Critical NetScaler Flaw That Could Enable RCE in SAML DeploymentsNewsThe Hacker News
Source: https://unit42.paloaltonetworks.com/netscaler-zero-days-exploited/
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