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7.8
CVE-2026-76494: Cisco Expressway may execute malicious code
CVE-2026-76494 · published 14 days ago
Summary
The Cisco Expressway component of Cisco Telepresence Video Communication Server can be tricked into running harmful code supplied by an attacker. This could let the attacker take control of the system or steal data. Install the October 2026 security update from Cisco as soon as possible to close the issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| cisco | cisco telepresence video communication server (vcs) expressway | X8.11.2 |
Original advisory text
Cisco Expressway Series Software Hardening Release: October 2026 - Code Injection Vulnerabilities
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-2026-76494 are related to issues concerning code injections that are grouped under the Common Weakness Enumeration (CWE) Base CWE-94.
The vulnerabilities tracked by CVE-2026-76494 are related to issues concerning code injections that are grouped under the Common Weakness Enumeration (CWE) Base CWE-94.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Type
CWE-94Code Injection
Timeline
Published21 Oct 2026
Updated29 Oct 2026
First seen21 Oct 2026
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