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CISA Warns of Citrix NetScaler Flaw Actively Exploited in Attacks

Cyber Press
Cyber Press
Published October 5, 2026Original Report

Excerpt

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical Citrix NetScaler vulnerability, tracked as CVE-2026-88779 , to its Known Exploited Vulnerabilities (KEV) Catalog after confirming evidence of active exploitation. The flaw affects Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway). CVE-2026-88779 is an improper restriction of operations within the bounds of a memory buffer vulnerability,…

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Indicators of Compromise

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1 indicators

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

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