The vulnerabilities tracked by CVE-2026-76491 are related to issues concerning reachable assertions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-617.
Analysis
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| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | unknown |
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No vendor fix or workaround currently provided.
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Tracking
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Wed, 21 Oct 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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-2026-76491 are related to issues concerning reachable assertions that are grouped under the Common Weakness Enumeration (CWE) Base CWE-617. | |
| Title | Cisco Expressway Series Software Hardening Release: October 2026 - Denial of Service Vulnerabilities | |
| Weaknesses | CWE-617 | |
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| Metrics |
cvssV3_1
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-10-21T16:17:04.407Z
Reserved: 2026-08-19T12:02:03.640Z
Link: CVE-2026-76491
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-10-21T17:19:08.480
Modified: 2026-10-21T18:54:37.403
Link: CVE-2026-76491
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-10-21T21:15:16Z
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CWE-617
Reachable Assertion