CVE-2026-20158

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-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:cisco:roomos::::::::
	cpe:2.3:o:cisco:roomos::::::::
	cpe:2.3:o:cisco:roomos_cloud::::::::
	cpe:2.3:o:cisco:roomos_cloud::::::::

History

24 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Como parte del compromiso continuo de Cisco con la seguridad proactiva y la calidad del producto, el equipo de ingeniería de Cisco RoomOS ha llevado a cabo una revisión de seguridad interna exhaustiva. Esta revisión resultó en una versión de endurecimiento de software que aborda múltiples vulnerabilidades descubiertas internamente. Las vulnerabilidades rastreadas por CVE-2026-20158 están relacionadas con el control inadecuado de un recurso a lo largo de su ciclo de vida, que se agrupan bajo el pilar de la enumeración de debilidades comunes (CWE) CWE-664.

Information

Published : 2026-07-15 17:16

Updated : 2026-10-24 21:10

NVD link : CVE-2026-20158

Mitre link : CVE-2026-20158

CVE.ORG link : CVE-2026-20158

JSON object : View

Products Affected

cisco

roomos_cloud
roomos

CWE

CWE-664

Improper Control of a Resource Through its Lifetime

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10.11.2.2"}, {"status": "affected", "version": "RoomOS 10.15.2.2"}, {"status": "affected", "version": "RoomOS 11.5.4.6"}, {"status": "affected", "version": "RoomOS 11.5.2.4"}, {"status": "affected", "version": "RoomOS 10.8.2.5"}, {"status": "affected", "version": "RoomOS 10.11.5.2"}, {"status": "affected", "version": "RoomOS 10.11.3.0"}, {"status": "affected", "version": "RoomOS 10.15.5.3"}, {"status": "affected", "version": "RoomOS 10.19.2.2"}, {"status": "affected", "version": "RoomOS 11.1.3.1"}, {"status": "affected", "version": "RoomOS 10.11.6.0"}, {"status": "affected", "version": "RoomOS 10.19.3.0"}, {"status": "affected", "version": "RoomOS 10.19.4.2"}, {"status": "affected", "version": "RoomOS 10.3.2.4"}, {"status": "affected", "version": "RoomOS 10.3.4.0"}, {"status": "affected", "version": "RoomOS 10.15.3.0"}, {"status": "affected", "version": "RoomOS 11.1.4.1"}, {"status": "affected", "version": "RoomOS 11.14.2.3"}, {"status": "affected", "version": "RoomOS 11.1.2.4"}, {"status": "affected", "version": "RoomOS 10.8.3.1"}, {"status": "affected", "version": "RoomOS 11.14.2.1"}, {"status": "affected", "version": "RoomOS 10.3.3.0"}, {"status": "affected", "version": "RoomOS 10.8.4.0"}, {"status": "affected", "version": "RoomOS 10.15.4.1"}, {"status": "affected", "version": "RoomOS 10.19.5.6"}, {"status": "affected", "version": "RoomOS 10.11.4.1"}, {"status": "affected", "version": "RoomOS 11.9.3.1"}, {"status": "affected", "version": "RoomOS 11.5.3.3"}, {"status": "affected", "version": "RoomOS 10.3.2.0"}, {"status": "affected", "version": "RoomOS 11.9.2.4"}, {"status": "affected", "version": "RoomOS 11.14.3.0"}, {"status": "affected", "version": "RoomOS 11.17.2.2"}, {"status": "affected", "version": "RoomOS 11.14.4.0"}, {"status": "affected", "version": "RoomOS 10.19 StepUpg"}, {"status": "affected", "version": "RoomOS 11.17.3.0"}, {"status": "affected", "version": "RoomOS 11.20.2.3"}, {"status": "affected", "version": "RoomOS 11.14.5.0"}, {"status": "affected", "version": "RoomOS 11.17.4.0"}, {"status": "affected", "version": "RoomOS 11.20.3.0"}, {"status": "affected", "version": "RoomOS 11.23.1.6"}, {"status": "affected", "version": "RoomOS 11.23.1.8"}, {"status": "affected", "version": "RoomOS 11.24.1.5"}, {"status": "affected", "version": "RoomOS 11.24.2.4"}, {"status": "affected", "version": "RoomOS 11.24.3.0"}, {"status": "affected", "version": "RoomOS 11.24.4.1"}, {"status": "affected", "version": "RoomOS 11.27.2.0"}, {"status": "affected", "version": "RoomOS 11.28.1.3"}, {"status": "affected", "version": "RoomOS 11.27.3.0"}, {"status": "affected", "version": "RoomOS 11.31.1.5"}, {"status": "affected", "version": "RoomOS 11.27.4.0"}, {"status": "affected", "version": "RoomOS 11.32.2.1"}, {"status": "affected", "version": "RoomOS 11.33.1.7"}, {"status": "affected", "version": "RoomOS 26.0.1.2"}, {"status": "affected", "version": "RoomOS 11.34.1.2"}, {"status": "affected", "version": "RoomOS 11.32.3.0"}, {"status": "affected", "version": "RoomOS 11.27.5.0"}, {"status": "affected", "version": "RoomOS 11.32.4.0"}, {"status": "affected", "version": "RoomOS 26.1.1.5"}, {"status": "affected", "version": "RoomOS 11.35.1.2"}, {"status": "affected", "version": "RoomOS 26.2.2.2"}, {"status": "affected", "version": "RoomOS 11.32.5.1"}, {"status": "affected", "version": "RoomOS 26.4.1.6"}, {"status": "affected", "version": "RoomOS 26.4.1.4"}, {"status": "affected", "version": "RoomOS 26.3.1.3"}, {"status": "affected", "version": "RoomOS 11.36.1.1"}, {"status": "affected", "version": "RoomOS 11.37.1.0"}, {"status": "affected", "version": "RoomOS 26.5.2.0"}, {"status": "affected", "version": "RoomOS 11.38.1.1"}], "defaultStatus": "unknown"}]}], "published": "2026-07-15T17:16:47.640", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}, {"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-664"}]}], "descriptions": [{"lang": "en", "value": "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.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664."}, {"lang": "es", "value": "Como parte del compromiso continuo de Cisco con la seguridad proactiva y la calidad del producto, el equipo de ingenier\u00eda de Cisco RoomOS ha llevado a cabo una revisi\u00f3n de seguridad interna exhaustiva. Esta revisi\u00f3n result\u00f3 en una versi\u00f3n de endurecimiento de software que aborda m\u00faltiples vulnerabilidades descubiertas internamente.\n\nLas vulnerabilidades rastreadas por CVE-2026-20158 est\u00e1n relacionadas con el control inadecuado de un recurso a lo largo de su ciclo de vida, que se agrupan bajo el pilar de la enumeraci\u00f3n de debilidades comunes (CWE) CWE-664."}], "lastModified": "2026-10-24T21:10:00.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DAB6FC3-5699-48C7-9CCE-81F9BF3811F2", "versionEndExcluding": "11.32.6.0"}, {"criteria": "cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B625A5DE-98DE-44D5-9044-939413A66689", "versionEndExcluding": "26.5.2.2", "versionStartIncluding": "26.0.1.2"}, {"criteria": "cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AC956F89-2FDE-4CD9-838A-8CF133177236", "versionEndExcluding": "11.39.1.1"}, {"criteria": "cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A01FB2F-C564-428C-912C-175920AEF60C", "versionEndExcluding": "26.7.1.7", "versionStartIncluding": "26.0.1.2"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}