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CISA Issues Federal Directive on Windows Shell Zero-Day CVE-2026-96951 Following ...

Published

17 October 2026

Topic

technology

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Cybersecurity

◆ Geography

United States

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Read at homeland411.com →

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Fusion42 · 18 October 2026 · Fusion42 review

CISA has added the actively exploited Windows Shell zero-day CVE-2026-96951 to its Known Exploited Vulnerabilities list, mandating federal civilian agencies to apply emergency patches by November 4, 2026 due to the high-severity risk of remote command injection and bypass of Windows security warnings.

This Wire brief sits within Fusion42's coverage of Cybersecurity.

◆ ◆ The Wire takeaway

You must prioritise deploying Microsoft’s emergency Windows Shell patches immediately or risk federal non-compliance and exposure to malware that silently bypasses key Windows security warnings.

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1 source · 17 Oct 2026

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