Cisco Unified Communications Products Hardening Release: October 2026 - Improper Authentication Vulnerabilities (Cisco Cisco Emergency Responder)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.47 % · percentile 41 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Awaiting Analysis
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-2026-76474 are related to issues concerning improper authentication that are grouped under the Common Weakness Enumeration (CWE) Class CWE-287.
Weaknesses (CWE)
- CWE-287 — Improper Authentication
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@cisco.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-107386
- GCVE · GCVE-0-2026-76474
CERT-FR advisories
- CERTFR-2026-AVI-1360 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Emergency Responder | affected 14 ; affected 14SU1 ; affected 14SU2 ; affected 14SU3 ; affected 14SU3a ; affected 15 |
| Cisco · Cisco Unified Communications Manager | affected 14 ; affected 14SU1 ; affected 14SU2 ; affected 14SU3 ; affected 15 ; affected 15SU1 |
| Cisco · Cisco Unified Communications Manager IM and Presence Service | affected 14 ; affected 14SU1 ; affected 14SU2 ; affected 14SU2a ; affected 14SU3 ; affected 15 |
| Cisco · Cisco Unity Connection | affected 14 ; affected 14SU1 ; affected 14SU2 ; affected 14SU3 ; affected 14SU3a ; affected 15 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |