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#1 BleepingComputer general September 10, 2026 at 15:43 UTC

Cisco FMC flaws exploited by ransomware gang, state-sponsored hackers

By Lawrence Abrams

AI Summary

Cisco Talos confirmed that two recently patched Cisco Secure Firewall Management Center (FMC) vulnerabilities, including CVE-2026-20079 (CVSS 10.0), are being actively exploited by three distinct threat clusters linked to ransomware operations and state-sponsored attacks. CISA added the flaw to its KEV catalog with a September 12, 2026 federal patch deadline. Security teams running Cisco FMC appliances should treat this as a critical priority given the breadth of threat actor interest and the CVSS 10.0 severity rating.

Read full article → https://www.bleepingcomputer.com/news/security/cis…

Relevance score: 88.0/100

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