AI Summary

CISA announced that the CVE‑2026‑3055 Citrix NetScaler out‑of‑bounds read vulnerability has been added to its Known Exploited Vulnerabilities (KEV) Catalog after evidence of active exploitation. The addition follows Binding Operational Directive 22‑01, which mandates Federal Civilian Executive Branch agencies to remediate identified KEV items by a specified deadline to protect their networks. CISA urges all organizations, even those outside the FCEB, to prioritize timely remediation of KEV catalog entries as part of broader vulnerability‑management practices. The agency will continue updating the catalog with additional vulnerabilities that meet the directive’s criteria.

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