CISA Adds Two Critical Citrix NetScaler Flaws to KEV Catalog
Active exploitation reported for vulnerabilities affecting NetScaler ADC and Gateway appliances globally
Key Takeaways
- CISA has added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog.
- Active exploitation of the vulnerabilities has been reported in the wild.
- The KEV addition triggers mandatory patching for U.S. federal agencies and strong recommendations for all organizations.
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CISA Adds Two Citrix NetScaler Vulnerabilities to Known Exploited Catalog
The Cybersecurity and Infrastructure Security Agency (CISA) has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. CVE-2026-88771 involves improper input validation and CVE-2026-88772 involves improper restriction of operations within the bounds of a memory buffer, both affecting Citrix NetScaler products. The additions trigger remediation requirements under Binding Operational Directive 26-04 for Federal Civilian Executive Branch agencies.
