# CVE-2026-20187

## Summary

- **CVE ID:** CVE-2026-20187
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-703
- **Published:** Jul 15, 2026
- **Last Modified:** Aug 14, 2026

## Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

## Affected Products

- Cisco — Cisco RoomOS Software (RoomOS 10.11.2.2)
- Cisco — Cisco RoomOS Software (RoomOS 10.15.2.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.5.4.6)
- Cisco — Cisco RoomOS Software (RoomOS 11.5.2.4)
- Cisco — Cisco RoomOS Software (RoomOS 10.8.2.5)
- Cisco — Cisco RoomOS Software (RoomOS 10.11.5.2)
- Cisco — Cisco RoomOS Software (RoomOS 10.11.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.15.5.3)
- Cisco — Cisco RoomOS Software (RoomOS 10.19.2.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.1.3.1)
- Cisco — Cisco RoomOS Software (RoomOS 10.11.6.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.19.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.19.4.2)
- Cisco — Cisco RoomOS Software (RoomOS 10.3.2.4)
- Cisco — Cisco RoomOS Software (RoomOS 10.3.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.15.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.1.4.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.14.2.3)
- Cisco — Cisco RoomOS Software (RoomOS 11.1.2.4)
- Cisco — Cisco RoomOS Software (RoomOS 10.8.3.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.14.2.1)
- Cisco — Cisco RoomOS Software (RoomOS 10.3.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.8.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.15.4.1)
- Cisco — Cisco RoomOS Software (RoomOS 10.19.5.6)
- Cisco — Cisco RoomOS Software (RoomOS 10.11.4.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.9.3.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.5.3.3)
- Cisco — Cisco RoomOS Software (RoomOS 10.3.2.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.9.2.4)
- Cisco — Cisco RoomOS Software (RoomOS 11.14.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.17.2.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.14.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 10.19 StepUpg)
- Cisco — Cisco RoomOS Software (RoomOS 11.17.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.20.2.3)
- Cisco — Cisco RoomOS Software (RoomOS 11.14.5.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.17.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.20.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.23.1.6)
- Cisco — Cisco RoomOS Software (RoomOS 11.23.1.8)
- Cisco — Cisco RoomOS Software (RoomOS 11.24.1.5)
- Cisco — Cisco RoomOS Software (RoomOS 11.24.2.4)
- Cisco — Cisco RoomOS Software (RoomOS 11.24.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.24.4.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.27.2.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.28.1.3)
- Cisco — Cisco RoomOS Software (RoomOS 11.27.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.31.1.5)
- Cisco — Cisco RoomOS Software (RoomOS 11.27.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.32.2.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.33.1.7)
- Cisco — Cisco RoomOS Software (RoomOS 26.0.1.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.34.1.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.32.3.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.27.5.0)
- Cisco — Cisco RoomOS Software (RoomOS 11.32.4.0)
- Cisco — Cisco RoomOS Software (RoomOS 26.1.1.5)
- Cisco — Cisco RoomOS Software (RoomOS 11.35.1.2)
- Cisco — Cisco RoomOS Software (RoomOS 26.2.2.2)
- Cisco — Cisco RoomOS Software (RoomOS 11.32.5.1)
- Cisco — Cisco RoomOS Software (RoomOS 26.4.1.6)
- Cisco — Cisco RoomOS Software (RoomOS 26.4.1.4)
- Cisco — Cisco RoomOS Software (RoomOS 26.3.1.3)
- Cisco — Cisco RoomOS Software (RoomOS 11.36.1.1)
- Cisco — Cisco RoomOS Software (RoomOS 11.37.1.0)
- Cisco — Cisco RoomOS Software (RoomOS 26.5.2.0)

## References

- [CNA](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq)
- [CVE](https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.47%
- **EPSS Percentile:** 38.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._