CVE-2026-76481CWE-703

CVE-2026-76481

High · published October 21, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00455 · 38.5th percentile
Weakness
CWE-703 · Improper Check or Handling of Exceptional Conditions
Published
2026-10-21T21:19Z
References (1)
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3 · [email protected]
EPSS history
Timeline
  • 23 OCT 04:07Z
    EPSS moved — → 0%
    epss
  • 21 OCT 16:16Z
    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities
    cvelistv5
  • 21 OCT 16:16Z
    Cisco Unified Communications Products Hardening Release: October 2026 - Improper Check or Handling of Exceptional Conditions Vulnerabilities
    cvelistv5