---
title: "CVE-2026-76477: Cisco Unified Communications - SQL Injection"
description: "Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, Cisco Unified Communications Manager Session Management Edition, and Cisco Unity Connection contain an SQL injection vulnerability caused by improper neutralization of special elements in SQL commands, letting attackers execute unauthorized SQL commands, exploit requires crafted input."
url: https://panop.io/threat-heartbeat/CVE-2026-76477/
---

# CVE-2026-76477 Cisco Unified Communications - SQL Injection

Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, Cisco Unified Communications Manager Session Management Edition, and Cisco Unity Connection contain an SQL injection vulnerability caused by improper neutralization of special elements in SQL commands, letting attackers execute unauthorized SQL commands, exploit requires crafted input.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76477)

## Details

Type

SQL Injection

Impact

SQL Injection, Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Update to the latest software hardening releases provided by Cisco.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-76477](https://nvd.nist.gov/vuln/detail/CVE-2026-76477)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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