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Cisco warns of new SD-WAN zero-day exploited in attacks

BleepingComputer·September 30, 2026·1 min read
Cisco warns of new SD-WAN zero-day exploited in attacks

Cisco released security updates to address a critical zero-day in its Catalyst SD-WAN Manager, tracked as CVE-2026-76504, which attackers are actively exploiting to escalate privileges to admin. The vulnerability allows remote code execution, and Cisco urges immediate patching to prevent further compromise.

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