CVE-2026-76493 Cisco Expressway Series Software Hardening Release: October 2026 - Uncaught Exception Vulnerabilities
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76493?
CVE-2026-76493 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-2026-76493 are related to issues concerning uncaught exceptions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-248.
Weakness: CWE-248
Which versions are affected by CVE-2026-76493?
How do I fix CVE-2026-76493?
No fix has been published for CVE-2026-76493 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76493 being exploited?
There is no known exploitation of CVE-2026-76493 in the wild and no public exploit code.
Sources
Also known as GHSA-5x6f-5q5v-vc4x.