CVE-2026-76474 | Cisco Emergency Responder improper authentication

October 21, 2026 Yanac

A vulnerability identified as very critical has been detected in Cisco Emergency Responder, Prime Collaboration Deployment, Unified Communications Manager, Unified Communications Manager IM and Presence Service, Unified Communications Manager Session Management Edition and Unity Connection. This impacts an unknown function. The manipulation leads to improper authentication.

This vulnerability is referenced as CVE-2026-76474. Remote exploitation of the attack is possible. No exploit is available.

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