cisco emergency-responder CVE-2026-76477 vulnerability in Cisco Products
Published on October 21, 2026

Cisco Unified Communications Products Hardening Release: October 2026 - Injection 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-2026-76477 are related to issues concerning improper neutralization of special elements used in an SQL command that are grouped under the Common Weakness Enumeration (CWE) Base CWE-89.

NVD

Vulnerability Analysis

CVE-2026-76477 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is a SQL Injection Vulnerability?

The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.

CVE-2026-76477 has been classified to as a SQL Injection vulnerability or weakness.


Products Associated with CVE-2026-76477

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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: