CVE-2026-76481: Improper Check or Handling of Exceptional Conditions in Cisco Cisco Emergency Responder
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.
CVSS v3.1
Score 7.5high
Affected software
Cisco
Cisco Emergency Responder
Cisco
Cisco Unified Communications Manager
Cisco
Cisco Unified Communications Manager IM and Presence Service
Cisco
Cisco Unity Connection
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76481 concerns improper check or handling of exceptional conditions in Cisco Emergency Responder, as part of a broader security review covering multiple Cisco Unified Communications products. The issue is categorized under CWE-703, indicating a failure to properly handle unexpected or exceptional states in software, which can lead to service disruption. The vulnerability has a CVSS 3.1 base score of 7.5, reflecting a network attack vector with low complexity, no privileges or user interaction required, and an impact limited to availability (denial of service). Cisco identified this internally and issued software hardening releases to mitigate it.
Potential Impact
The vulnerability allows an unauthenticated attacker to cause a denial of service condition in Cisco Emergency Responder, impacting availability. There is no impact to confidentiality or integrity. No known exploits are currently active in the wild.
Mitigation Recommendations
Cisco has released software hardening updates that address this vulnerability. Users should apply the official Cisco patches or updates corresponding to their affected versions to remediate the issue. Since this is not a cloud service, remediation requires customer action to update affected software. Patch status is confirmed by Cisco's advisory of software hardening releases.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisco
- Date Reserved
- 2026-08-19T12:02:03.639Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad8e8d64d27ba8daac3b6ca
Added to database: 10/21/2026, 16:31:18 UTC
Last enriched: 10/21/2026, 16:46:12 UTC
Last updated: 10/21/2026, 17:46:16 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.