Is CVE-2026-76464 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76464?

CVE-2026-76464 has a CVSS v3 severity of CRITICAL (9.6).

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CVE-2026-76464

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.