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Wire · regulatory

US, Australia warn of latest Citrix vulnerability after NetScaler advisory

5 October 2026 · By · Wire by Fusion42

Published

5 October 2026

Topic

regulatory

◆ Sectors

Cybersecurity

◆ Geography

United States

◆ Source

Read at therecord.media →

◆ Verified

Fusion42 · 5 October 2026 · Fusion42 review

A new high-severity vulnerability (CVE-2026-88779) affecting Citrix NetScaler appliances allows denial of service attacks, prompting urgent patch orders from US and Australian agencies amid ongoing exploitation of prior Citrix bugs.

This Wire brief sits within Fusion42's coverage of Cybersecurity, and 7 sources have reported it between 28 Sep 2026 and 9 Oct 2026.

◆ ◆ The Wire takeaway

You must prioritise patching Citrix NetScaler immediately to avoid service disruptions and comply with CISA mandates. Unpatched devices expose your network to crashing attacks that adversaries are actively exploiting right now.

◆ Coverage

7 sources · first reported 28 Sep 2026 · latest 9 Oct 2026

◆ Related on Wire

◆ Topics

Cybersecuritycitrixnetscalervulnerabilitydoscisapatch