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CISA Warns of Six Exploited Flaws in Microsoft, Linux and Citrix

Published

27 August 2026

Topic

technology

◆ Sectors

Security Infrastructure

◆ Geography

United States

◆ Source

Read at infosecurity-magazine.com →

◆ Verified

Fusion42 · 27 August 2026 · Fusion42 review

CISA added six new actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog, including critical flaws in Citrix NetScaler and Microsoft SQL Server, urging rapid patching by government and critical infrastructure organizations.

This Wire brief sits within Fusion42's coverage of Security Infrastructure, and 3 sources have reported it.

◆ ◆ The Wire takeaway

You must patch critical Citrix and Microsoft server flaws immediately to stay ahead of active exploits tracked by CISA. Delaying leaves your infrastructure exposed despite years-old fixes being available.

◆ Coverage

3 sources · 27 Aug 2026

◆ Related on Wire

◆ Topics

Security Infrastructurecisacybersecurityvulnerabilitiespatchingcitrixmicrosoft