Live › vulnerability › CVE-2026-76474
Go to dashboardCisco Unified Communications Manager, Unity Connection, IM&P and Emergency Responder have an authentication bypass (CWE-287) found in an internal review. The sources do not say exactly what an attacker can reach after bypassing the check, but the CVSS score is 9.8 and the flaw needs no account.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Cisco Unified Communications Manager | vendor | 14 (all SU), 15 through 15SU4a | 15SU5 |
| Cisco Unity Connection | vendor | 14 (all SU), 15 through 15SU4 | 15SU5 |
| Cisco Unified CM IM&P | vendor | 14 (all SU), 15 through 15SU4 | 15SU5 |
| Cisco Emergency Responder | vendor | 14 (all SU), 15 through 15SU4 | 15SU5 |
Check the installed release with the CUCM admin page or CLI command show version active and compare it to the fixed release 15SU5.
Upgrade to 15SU5 (affected 15 through 15SU4 and all 14 SU releases per the advisory data); for 14, the sources give no fixed release.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
This page as .md · .json · in your agent: get_signal("CVE-2026-76474")
NVD data is provided by NIST and is public domain · EPSS scores by FIRST, used with attribution. Posts quoted belong to their authors.