Wire · regulatory
Active Exploitation of Critical Vulnerability in Cisco AsyncOS
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Fusion42 · 18 September 2026 · Fusion42 review
A critical SQL injection vulnerability (CVE-2026-76461) affecting Cisco AsyncOS for the Secure Email Gateway is actively exploited, allowing unauthenticated attackers to execute commands with root privileges. Cisco has released security updates and urges immediate patching and log review for suspicious activity.
This Wire brief sits within Fusion42's coverage of Cybersecurity and Security Infrastructure, and 2 sources have reported it between 15 Sep 2026 and 18 Sep 2026.
◆ ◆ The Wire takeaway
Your security stack just got riskier with active exploitation of Cisco's email gateway flaw. Patch now and hunt for malicious activity in logs before attackers take root control.
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2 sources · first reported 15 Sep 2026 · latest 18 Sep 2026
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