Citrix
BreakingCitrix NetScaler flaw CVE-2026-88779 is being actively exploited, CISA warns
CISA added the Citrix NetScaler vulnerability to its Known Exploited Vulnerabilities catalog on October 4, 2026, with a federal remediation deadline of October 7, 2026.
CISA
BreakingNCSC warns of active exploitation in Citrix NetScaler flaws
The UK cyber agency says two of eight newly disclosed Citrix NetScaler ADC and Gateway vulnerabilities are being actively exploited and urges immediate mitigation.
NCSC (UK)