Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks

What happened

Cisco has confirmed that a maximum-severity authentication bypass vulnerability tracked as CVE-2026-20079 in its Secure Firewall Management Center (FMC) software is being actively exploited in attacks. [...]

Why it matters

The incident may affect operational continuity, asset safety or trust around Security. Watch for verified scope and remediation.

Affected entities

View evidence

1 reports · 1 original report · 1 independent

1. BleepingComputerPrimary source · Supports · EN · 100%
   Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks ↗Sep 9, 2026, 5:40 PM

Claims

• Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks Observed

Conflicts

No material conflict detected in the available evidence.

Timeline

1. September 9, 2026 at 5:40 PMFirst reported

Market move following event

Market reaction is not yet available for this asset and time window.

Score explanation