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CVE-2026-76473

9.8 critical exploit SSVC exploitation: none Published
NVD · CVE.org

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-2026-76473 are related to issues concerning improper neutralization of special elements in output used by a downstream component that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Public exploits 1

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Change history 11

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 17:30
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 18:17
  3. 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-2026-76473 are related to issues concerning improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.  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-2026-76473 are related to issues concerning improper neutralization of special elements in output used by a downstream component that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.
    NVD modified 2026-10-27 18:17
  4. StatusAwaiting Analysis → PublishedNVD modified 2026-10-22 13:37
  5. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 23:19
  6. StatusAwaiting Analysis → PublishedNVD modified 2026-10-22 13:37
  7. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 14:17
  8. StatusAwaiting Analysis → PublishedNVD modified 2026-10-21 16:14
  9. StatusPublished → Awaiting AnalysisNVD modified 2026-10-21 18:54
  10. StatusReceived → PublishedNVD modified 2026-10-21 16:14
  11. First seenCVSS 9.8NVD modified 2026-10-21 17:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1