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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-76476

Cisco Unified Communications Products Hardening Release: October 2026 - Improper Input Validation Vulnerabilities

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Status
Published
Published
Updated
Assigning organization
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-2026-76476 are related to issues concerning improper input validation that are grouped under the Common Weakness Enumeration (CWE) Class CWE-20.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Emergency Responder

Default version status: unknown

  • 14affected
  • 14SU1affected
  • 14SU2affected
  • 14SU3affected
  • 14SU3aaffected
  • 15affected
  • 15SU1affected
  • 15SU1aaffected
  • 14SU4affected
  • 15SU2affected
  • 15SU3affected
  • 14SU5affected
  • 15SU4affected
  • 14SU6affected

Cisco Cisco Unified Communications Manager

Default version status: unknown

  • 14affected
  • 14SU1affected
  • 14SU2affected
  • 14SU3affected
  • 15affected
  • 15SU1affected
  • 14SU4affected
  • 14SU4aaffected
  • 15SU1aaffected
  • 15SU2affected
  • 15.0.1.13010-1affected
  • 15.0.1.13011-1affected
  • 15.0.1.13012-1affected
  • 15.0.1.13013-1affected
  • 15.0.1.13014-1affected
  • 15.0.1.13015-1affected
  • 15.0.1.13016-1affected
  • 15.0.1.13017-1affected
  • 15SU3aaffected
  • 14SU5affected
  • 15SU4affected
  • 15SU4aaffected
  • 14SU6affected

Cisco Cisco Unified Communications Manager IM and Presence Service

Default version status: unknown

  • 14affected
  • 14SU1affected
  • 14SU2affected
  • 14SU2aaffected
  • 14SU3affected
  • 15affected
  • 15SU1affected
  • 14SU4affected
  • 15SU2affected
  • 15SU3affected
  • 14SU5affected
  • 15SU4affected
  • 14SU6affected

Cisco Cisco Unity Connection

Default version status: unknown

  • 14affected
  • 14SU1affected
  • 14SU2affected
  • 14SU3affected
  • 14SU3aaffected
  • 15affected
  • 15SU1affected
  • 14SU4affected
  • 15SU2affected
  • 15SU3affected
  • 14SU5affected
  • 15SU4affected
  • 14SU6affected

References