CVE-2026-76478

CVE-2026-76478 · Cisco Unified Communications Products Hardening Release: October 2026 - Improper Access Control Vulnerabilities

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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-2026-76478 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

CVSS 8.8 · Élevée · EPSS 0,1%

Publication

2026-10-21T16:15:47.937Z

Mise à jour

2026-10-22T23:04:35.404Z

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