CISA Adds Exploited Cisco Catalyst SD-WAN Manager Flaw to KEV Catalog

Federal agencies have until Oct. 3 to remediate CVE-2026-76504 after Cisco confirmed unauthenticated admin access in active attacks. The Cybersecurity and Infrastructure Security Agency on Wednesday added one vulnerability to its Known Exploited Vulnerabilities catalog after finding evidence of active exploitation. The listing is CVE-2026-76504. CISA named it a Cisco Catalyst SD-WAN Manager hex encoding

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