CISA Warns of Citrix Vulnerability Active Exploitation in Attacks (CVE-2026-88779)

Reported by Qualys (Diksha Ojha)

Summary by Cyber Security News5 Oct 2026, 15:40 CEST

About this summary. This is a short, independently written summary of an article first published by Qualys. Cyber Security News did not report or verify the underlying story. Read the original: https://threatprotect.qualys.com/2026/10/05/cisa-warns-of-citrix-vulnerability-active-exploitation-in-attacks-cve-2026-88779/

Citrix released an emergency update to address an actively exploited vulnerability impacting Citrix NetScaler ADC and Citrix NetScaler Gateway. Tracked as CVE-2026-88779, successful exploitation of this memory overflow vulnerability may allow an attacker to achieve a denial-of-service condition. CISA added CVE-2026-88779 to its Known Exploited Vulnerabilities Catalog.

Read the full article at Qualys →