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CVE-2026-20150: Cisco RoomOS Security Hardening Release - Access Control Vulnerabilities

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-15 · updated 2026-10-24
• Weakness: CWE-284

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-2026-20150 are related to improper access control that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

Affected products

• Cisco Roomos: before 11.32.6.0; from 26.0.1.2 before 26.5.2.2 — fixed in 11.32.6.0, 26.5.2.2
• Cisco Roomos Cloud: before 11.39.1.1; from 26.0.1.2 before 26.7.1.7 — fixed in 11.39.1.1, 26.7.1.7

How to fix

Upgrade to a fixed version: Cisco Roomos 11.32.6.0, 26.5.2.2; Cisco Roomos Cloud 11.39.1.1, 26.7.1.7. Check the vendor advisory for mitigations.

References

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

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