CVE-2026-20187

Modified Modified - Updated After Analysis

Improper Exception Handling in Cisco RoomOS

Publication date: 2026-07-15

Last updated on: 2026-08-14

Assigner: Cisco Systems, Inc.

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-15

Last Modified

2026-08-14

Generated

2026-08-25

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-23

NVD

CVE-2026-20187

EUVD

EUVD-2026-44722

Affected Vendors & Products

Vendor	Product	Version / Range
cisco	roomos	From 26.0.1.2 (inc) to 26.5.2.2 (exc)
cisco	roomos	to 11.32.6.0 (exc)
cisco	roomos_cloud	to 11.39.1.1 (exc)
cisco	roomos_cloud	From 26.0.1.2 (inc) to 26.7.1.7 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-703	The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

Attack-Flow Graph

Executive Summary

CVE-2026-20187 is part of Cisco's RoomOS security hardening release addressing multiple vulnerabilities. It involves improper handling of exceptional conditions, classified under CWE-703, which may lead to system instability or crashes under specific scenarios.

Detection Guidance

Detection requires checking RoomOS software versions against Cisco's fixed releases. Use the RoomOS admin interface or CLI to verify the current version. Compare it with the advisory's recommended versions. No specific commands are provided in the available resources.

Impact Analysis

This vulnerability could cause unexpected system behavior or crashes in Cisco RoomOS devices. Since it has a CVSS score of 7.5, it may lead to denial of service if exploited, disrupting video conferencing and collaboration tools.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. The vulnerability involves improper handling of exceptional conditions (CWE-703) and has a CVSS score of 7.5, indicating potential availability impacts. Without explicit details on data exposure or processing, its compliance implications remain unclear.

Mitigation Strategies

Upgrade to the fixed software versions specified in Cisco's advisory for RoomOS. No workarounds are available, so applying the official patches is critical to mitigate the risk.

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