U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog
ID: 1c52311f-f7cb-5c85-92e7-73d391b1f086
STIX ID: report--1c52311f-f7cb-5c85-92e7-73d391b1f086
Feed Name: Security Affairs
Threat Score
**CISA adds Citrix NetScaler CVE-2026-88779 (CVSS 8.7) to KEV:** a memory overflow in Citrix NetScaler ADC and Gateway that can lead to denial-of-service when configured as a SAML service provider or identity provider; Citrix has observed targeted attacks against unpatched, customer-managed deployments, published fixed versions, and CISA requires federal agencies to remediate by October 7, 2026.
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