CVE-2026-20158: high-severity vulnerability in Cisco RoomOS Software
Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Cisco · Cisco RoomOS SoftwareRelated CVEs — Cisco RoomOS Software
In the same product, most dangerous first.
CVE-2022-20783HIGHCisco TelePresence Collaboration Endpoint and RoomOS Software H.323 Denial of Service VulnerabilityEPSS 1.4%CVE-2022-20764MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 1.0%CVE-2022-20768MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software Information Disclosure VulnerabilityEPSS 1.0%CVE-2022-20811MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.8%CVE-2022-20794MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.7%CVE-2022-20776MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.5%