Live › vulnerability › CVE-2026-76490
Go to dashboardCisco Expressway Series video gateways contain multiple out-of-bounds write flaws found in an internal security review, classified as CWE-787. The sources do not say what an attacker can do after triggering them, and NVD rates the issue 8.6 (high).
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
No product ranges from the sources yet.
Check the installed Expressway software version in the admin interface under Status or System information and compare it with the fixed releases in Cisco's advisory.
Upgrade Cisco Expressway to a fixed software release named in Cisco's security advisory; the release number is unknown from these sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
This page as .md · .json · in your agent: get_signal("CVE-2026-76490")
NVD data is provided by NIST and is public domain · EPSS scores by FIRST, used with attribution. Posts quoted belong to their authors.