CISA Adds Two Exploited Citrix NetScaler Flaws to KEV Catalog
CISA added two actively exploited Citrix NetScaler vulnerabilities to its Known Exploited Vulnerabilities Catalog: CVE-2026-88771, an improper input validation flaw, and CVE-2026-88772, an improper restriction of operations within a memory buffer. CISA cited evidence of active exploitation and said such flaws pose significant risks to the federal enterprise. BOD 26-04 requires federal agencies to prioritize rapid remediation.
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“CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation.”
“These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.”
Summary last validated Sep 29, 2026
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