CVE-2026-20153

EUVD-2026-44719
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-2026-20153 are related to improper input validation that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.4%
Affected Products (NVD)
VendorProductVersion
ciscoroomos
𝑥
< 11.32.6.0
ciscoroomos
26.0.1.2 ≤
𝑥
< 26.5.2.2
ciscoroomos_cloud
𝑥
< 11.39.1.1
ciscoroomos_cloud
26.0.1.2 ≤
𝑥
< 26.7.1.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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