Description
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.
Published: 2026-10-21
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: SQL Injection (Data Tampering)
Action: Patch ASAP
AI Analysis

Impact

The vulnerability results from insufficient neutralization of special characters used in SQL commands, allowing an attacker to insert arbitrary SQL when interacting with affected services. This flaw is classified under CWE‑89 and can enable the attacker to read, modify, or delete database contents, thereby compromising confidentiality, integrity, and potentially availability of the system. The vulnerability could be triggered through user‑controlled input in web or API interfaces; while the specific input vectors are not disclosed, the description suggests that form fields or query parameters are likely involved, and the impact scope extends across the system’s data store.

Affected Systems

Affected vendors include Cisco, with products Cisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection. No specific version information is provided, so all current releases of these products are considered potentially vulnerable.

Risk and Exploitability

The CVSS score of 8.8 denotes a high‑severity risk, and although EPSS is not available and the vulnerability is not listed in CISA’s KEV catalog, the lack of mitigation details suggests an exploitable attack surface. The likely attack vector involves unsanitized user input to web or API interfaces, permitting SQL injection. Attackers who succeed could obtain or alter sensitive data stored in the affected systems.

Generated by OpenCVE AI on October 21, 2026 at 21:11 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Install the Cisco software hardening releases that address the SQL injection issues for all affected products.
  • Review and update application code to ensure that all SQL statements properly escape or parameterize user input, thereby preventing future injection attempts.
  • Disable or restrict any unused Cisco services or interfaces that accept user data to reduce the attack surface.

Generated by OpenCVE AI on October 21, 2026 at 21:11 UTC.

Tracking

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Advisories

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History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Cisco Unified Communications Products Hardening Release: October 2026 - Injection Vulnerabilities
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-10-21T16:15:11.874Z

Reserved: 2026-08-19T12:02:03.639Z

Link: CVE-2026-76477

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T17:19:07.520

Modified: 2026-10-21T18:54:37.403

Link: CVE-2026-76477

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T21:15:16Z

Weaknesses
  • CWE-89

    Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')