CVE-2026-76490

LOWCVSS 8.6 · 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, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-76490 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.

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0.0/ 10 priority

Sources & remediation

Other references

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-exwy-hardening-FhcqBVcs

Weakness type (CWE)

CWE-787

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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