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3 IOCs

CVE-2026-88779: Citrix NetScaler Zero-Day Exploited Against SAML Deployments

SOC Prime
SOC Prime
Published October 5, 2026Original Report

Excerpt

Only days after Citrix addressed actively exploited NetScaler flaws CVE-2026-88771 and CVE-2026-88772, defenders faced another urgent security issue. A newly disclosed vulnerability tracked as CVE-2026-88779 has been exploited in targeted attacks against customer-managed NetScaler ADC and NetScaler Gateway appliances configured for SAML authentication. Citrix rates the vulnerability as high severity with a CVSS v4.0 score of 8.7. The vendor describes it as a memory overflow…

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Indicators of Compromise

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3 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-88779HighScore 79/100First seen
CVECVE-2026-88772HighScore 82/100First seen
CVECVE-2026-88771HighScore 82/100First seen

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