CVE-2026-76473 As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prim
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76473?
CVE-2026-76473 is a critical vulnerability in Cisco Emergency Responder, published on 21 Oct 2026.
Official 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 neutralization of special elements in output used by a downstream component that are grouped under the Common Weakness Enumeration (CWE) Class CWE-74.
Weakness: CWE-74
Which versions are affected by CVE-2026-76473?
How do I fix CVE-2026-76473?
No fix has been published for CVE-2026-76473 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76473 being exploited?
There is no known exploitation of CVE-2026-76473 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-g392-rjcx-4cp4.