cisco emergency-responder CVE-2026-76474 vulnerability in Cisco Products
Published on October 21, 2026

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Authentication Vulnerabilities
As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76474 are related to issues concerning improper authentication that are grouped under the Common Weakness Enumeration (CWE) Class CWE-287.

NVD

Vulnerability Analysis

CVE-2026-76474 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2026-76474 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2026-76474

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Cisco Emergency Responder
 
Cisco Unified Communications Manager
 
Cisco Unified Communications Manager Im Presence Service
 
Cisco Unity Connection
 

Affected Versions

Cisco Emergency Responder: Cisco Unified Communications Manager: Cisco Unified Communications Manager IM and Presence Service: Cisco Unity Connection: