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CVE-2026-76491 is a high-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway involving reachable assertions. The issue was identified during Cisco's internal security review and relates to reachable assertions categorized under CWE-617. The vulnerability has a CVSS score of 7.5 with an impact on availability but no confidentiality or integrity impact. No affected versions or patch information are provided.

Cisco's internal security review discovered multiple vulnerabilities including CVE-2026-76491, which concerns reachable assertions in Cisco TelePresence Video Communication Server (VCS) Expressway software. Reachable assertions (CWE-617) can cause the software to terminate unexpectedly, impacting availability. The CVSS 3.1 vector indicates the vulnerability is remotely exploitable without privileges or user interaction, affecting availability only. No specific affected versions or remediation details are provided in the available data.

CVE-2026-76491 is a high-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway involving reachable assertions. The issue was identified during Cisco's internal security review and relates to reachable assertions categorized under CWE-617. The vulnerability has a CV

CVE-2026-76491: Reachable Assertion in Cisco Cisco TelePresence Video Communication Server (VCS) Expressway

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