CVE-2026-76481: Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities

Vulnerability summary

CVE-2026-76481 is a high (CVSS 7.5) vulnerability in cisco cisco emergency responder. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities.

Timeline

1. 21-10-2026
   PublishedVulnerability first disclosed.
2. 21-10-2026
   Last modifiedVulnerability information updated.

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-2026-76481 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

• CWE-703Improper Check or Handling of Exceptional ConditionsThe product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.