CVE-2026-76492 Cisco Expressway Series Software Hardening Release: October 2026 - NULL Pointer Vulnerabilities

High 7.5 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-76492?

CVE-2026-76492 is a high-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 21 Oct 2026.

Official 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-2026-76492 are related to issues concerning null pointers that are grouped under the Common Weakness Enumeration (CWE) Base CWE-476.

Weakness: CWE-476

Which versions are affected by CVE-2026-76492?

How do I fix CVE-2026-76492?

No fix has been published for CVE-2026-76492 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-76492 being exploited?

There is no known exploitation of CVE-2026-76492 in the wild and no public exploit code.

Sources

Also known as GHSA-75r2-77rp-xfmv.

Is CVE-2026-76492 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free