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19 Mar 2026

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criticalpatchedexploited 19 Mar 2026 Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data Vulnerability Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain a deserialization of untrusted data vulnerability in the web-based management interface that could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device. Added to CISA KEV on 2026-03-19 (federal deadline 2026-03-22). CVE-2026-201312 sources