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Critical · 9.3 CVE-2026-76475 EUVD-2026-107387GHSA-g6jg-jfw2-23p4

Cisco Unified Communications Products Hardening Release: October 2026 - Cross-site Scripting Vulnerabilities

Published Oct 21, 2026 · Updated Nov 7, 2026 · Assigned by cisco

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-2026-76475 are related to issues concerning improper neutralization of input during web page generation that are grouped under the Common Weakness Enumeration (CWE) Base CWE-79.

Affected products

VendorProductAffectedFixed
Cisco Cisco Emergency Responder 14, 14SU1, 14SU2, 14SU3, 14SU3a, 15, 15SU1, 15SU1a, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6 —
Cisco Cisco Unified Communications Manager 14, 14SU1, 14SU2, 14SU3, 15, 15SU1, 14SU4, 14SU4a, 15SU1a, 15SU2, 15.0.1.13010-1, 15.0.1.13011-1, 15.0.1.13012-1, 15.0.1.13013-1, 15.0.1.13014-1, 15.0.1.13015-1, 15.0.1.13016-1, 15.0.1.13017-1, 15SU3a, 14SU5, 15SU4, 15SU4a, 14SU6 —
Cisco Cisco Unified Communications Manager IM and Presence Service 14, 14SU1, 14SU2, 14SU2a, 14SU3, 15, 15SU1, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6 —
Cisco Cisco Unity Connection 14, 14SU1, 14SU2, 14SU3, 14SU3a, 15, 15SU1, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6 —

Advisories 2

References