🛡️ **CISCO IDENTITY SERVICES ENGINE (ISE) — MAX-SEVERITY AUTHENTICATION BYPASS, ACTIVELY EXPLOITED — PATCH IMMEDIATELY**
Published Thursday, September 17, 2026 at 05:34 PM PT BLUF: Cisco has released emergency patches for an actively exploited authentication bypass vulnerability (CVSS 10.0) affecting Cisco Identity Services Engine (ISE), used for enterprise network access control and policy enforcement. This is the second critical zero-day Cisco has patched in one week. Enterprises running ISE must apply patches without delay; this vulnerability is being exploited in the wild against production systems. ...