Vulnerability intelligence
CVE-2026-76490
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.
CVSS Score
8.6
High
EPSS — Exploit Probability
—
Awaiting FIRST.org data · checked 2026-10-22
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Oct 22, 2026 · latest Oct 22, 2026
Coverage timeline
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Cisco Patches Root Access Flaw in Expressway Gatewayssecurityonline.info · Oct 22, 2026