VDB
CVE-2026-76490
CVE-2026-76490
PUBLISHED
CVSS 8.6 HIGH
Reported by cisco · Published October 21, 2026
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-2026-76490 are related to issues concerning out-of-bounds writes that are grouped under the Common Weakness Enumeration (CWE) Base CWE-787.
Risk scores
CVSS 3.1
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | X8.11.2, X8.6, X8.11.3 |
| Cisco | Cisco TelePresence Video Communication Server (VCS) Expressway | 8.11.2, 8.6, 8.11.3 |
Timeline
- Oct 21, 2026 CVE Published
- Oct 22, 2026 EPSS Score (4 in total, the first dated here)
- Oct 22, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
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