Paper/Archive/CVE-2026-76473

CVE-2026-76473

Cisco Cisco Emergency Responder — Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.

Description · from the CVE record

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-2026-76473 are related to issues concerning improper neutralization of special elements in output used by a downstream component that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.

Affected

ProductAffectedFixed inSource
Cisco Emergency Responder14–CNA
Cisco Emergency Responder14SU1–CNA
Cisco Emergency Responder14SU2–CNA
Cisco Emergency Responder14SU3–CNA
Cisco Emergency Responder14SU3a–CNA
Cisco Emergency Responder15–CNA
Cisco Emergency Responder15SU1–CNA
Cisco Emergency Responder15SU1a–CNA
Cisco Emergency Responder14SU4–CNA
Cisco Emergency Responder15SU2–CNA
Cisco Emergency Responder15SU3–CNA
Cisco Emergency Responder14SU5–CNA

Scores by source

cisco (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3