CVE-2026-76476

LOWCVSS 8.8 · HIGH

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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-2026-76476 are related to issues concerning improper input validation that are grouped under the Common Weakness Enumeration (CWE) Class CWE-20.

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0.0/ 10 priority

Sources & remediation

Other references

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3

Weakness type (CWE)

CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Deep dive

Full discourse1 post

CERT-PY@CERTpy1d
⚠️ Vulnerabilidades en productos Cisco ❗ CVE-2026-76490 ❗ CVE-2026-76478 ❗ CVE-2026-76476 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-cisco-18/ https://t.co/SzDnKk5Oyb
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