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Cisco FMC CVE-2026-20079: Fixed on Six Trains, Silent on 7.3 and 7.1

Cisco's CVSS 10.0 Firewall Management Center flaw is exploited by three groups. Hot fixes exist for 7.0, 7.2, 7.4, 7.6, 7.7 and 10.0.

What Cisco fixed

FMC release train Hot fix Train status on our data
7.0 Hotfix GB 7.0.9.1-3 Security support to November 18, 2026
7.2 Hotfix HL 7.2.11.1-4 Security support to November 18, 2026
7.4 Hotfix HG 7.4.7.1-3 Supported, no end date announced
7.6 Hotfix CY 7.6.5.1-2 Supported, no end date announced
7.7 Hotfix AM 7.7.12.1-2 Security support to September 29, 2027
10.0 Hotfix P 10.0.1.1-2 Supported, no end date announced

What's covered

  • What Cisco fixed
  • What Cisco did not fix, and why the calendar explains it
  • Who is on the other end
  • What to do, by train

Full guide with every version, risk scores, and live updates: https://endoflife.ai/article-cisco-fmc-cve-2026-20079-no-fix-for-7-3

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