CVE-2026-76496 is a vulnerability in Cisco Telepresence Video Communication Server
Published on October 21, 2026
Cisco Expressway Series Software Hardening Release: October 2026 - Improper Link Resolution 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-2026-76496 are related to issues concerning improper link resolutions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-59.
Vulnerability Analysis
CVE-2026-76496 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2026-76496 has been classified to as an insecure temporary file vulnerability or weakness.
Products Associated with CVE-2026-76496
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Affected Versions
Cisco TelePresence Video Communication Server (VCS) Expressway:- Version X8.11.2 is affected.
- Version X8.6 is affected.
- Version X8.11.3 is affected.
- Version X8.2.2 is affected.
- Version X8.8.3 is affected.
- Version X8.11.0 is affected.
- Version X12.5.2 is affected.
- Version X8.1.1 is affected.
- Version X8.9 is affected.
- Version X12.5.1 is affected.
- Version X12.5.6 is affected.
- Version X8.7.3 is affected.
- Version X12.6.0 is affected.
- Version X8.11.1 is affected.
- Version X8.5 is affected.
- Version X8.9.1 is affected.
- Version X8.10.2 is affected.
- Version X8.8.2 is affected.
- Version X8.5.3 is affected.
- Version X8.1 is affected.
- Version X8.9.2 is affected.
- Version X8.11.4 is affected.
- Version X12.5.4 is affected.
- Version X8.8.1 is affected.
- Version X8.2.1 is affected.
- Version X8.5.1 is affected.
- Version X8.6.1 is affected.
- Version X8.1.2 is affected.
- Version X8.8 is affected.
- Version X8.10.0 is affected.
- Version X12.5.3 is affected.
- Version X8.10.1 is affected.
- Version X12.5.7 is affected.
- Version X8.10.3 is affected.
- Version X8.7.1 is affected.
- Version X8.2 is affected.
- Version X12.5.8 is affected.
- Version X8.7 is affected.
- Version X8.5.2 is affected.
- Version X12.5.9 is affected.
- Version X12.5.0 is affected.
- Version X8.10.4 is affected.
- Version X8.7.2 is affected.
- Version X12.5.5 is affected.
- Version X12.6.1 is affected.
- Version X12.6.2 is affected.
- Version X12.6.3 is affected.
- Version X12.6.4 is affected.
- Version X12.7.0 is affected.
- Version X12.7.1 is affected.
- Version X14.0.0 is affected.
- Version X14.0.1 is affected.
- Version X14.0.2 is affected.
- Version X14.0.3 is affected.
- Version X14.0.4 is affected.
- Version X14.0.5 is affected.
- Version X14.0.6 is affected.
- Version X14.0.7 is affected.
- Version X14.0.8 is affected.
- Version X14.2.0 is affected.
- Version X14.0.9 is affected.
- Version X14.2.1 is affected.
- Version X14.2.2 is affected.
- Version X14.0.11 is affected.
- Version X14.2.5 is affected.
- Version X14.0.10 is affected.
- Version X14.2.6 is affected.
- Version X14.2.7 is affected.
- Version X14.3.0 is affected.
- Version X14.3.1 is affected.
- Version X14.3.2 is affected.
- Version X14.3.3 is affected.
- Version X15.0.0 is affected.
- Version X14.3.4 is affected.
- Version X14.3.5 is affected.
- Version X15.0.1 is affected.
- Version X15.0.2 is affected.
- Version X15.0.3 is affected.
- Version X14.3.6 is affected.
- Version X15.2.0 is affected.
- Version X15.2.1 is affected.
- Version X15.2.2 is affected.
- Version X15.2.3 is affected.
- Version X14.3.7 is affected.
- Version X15.2.4. is affected.
- Version X15.2.4 is affected.
- Version X15.3.0 is affected.
- Version X15.3.1 is affected.
- Version X15.3.2 is affected.
- Version X15.4.0 is affected.
- Version X15.5.0 is affected.
- Version X15.5.1 is affected.
- Version X15.5.2 is affected.
- Version X15.5.3 is affected.