---
title: "CVE-2026-76479: Cisco Unified Communications - Path Traversal"
description: "Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager, Unified CM IM&P, Unified CM SME, and Cisco Unity Connection contain a path traversal vulnerability caused by improper limitation of a pathname to a restricted directory, letting attackers access unauthorized files, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-76479/
---

# CVE-2026-76479 Cisco Unified Communications - Path Traversal

Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager, Unified CM IM&P, Unified CM SME, and Cisco Unity Connection contain a path traversal vulnerability caused by improper limitation of a pathname to a restricted directory, letting attackers access unauthorized files, exploit requires network access.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76479)

## Details

Type

Path Traversal

Impact

File System Read, Information Disclosure

CVSS vector

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

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.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-2026-76479](https://nvd.nist.gov/vuln/detail/CVE-2026-76479)
- [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

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