Vulnerability · Published Jul 15, 2026 · Assigned by cisco

CVE-2026-20158Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities

High 7.5

In plain English

A high-severity security flaw in Cisco RoomOS Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 59.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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

Affected products (as reported)

VendorProductVersions
Cisco Cisco RoomOS Software RoomOS 10.11.2.2RoomOS 10.15.2.2RoomOS 11.5.4.6RoomOS 11.5.2.4RoomOS 10.8.2.5RoomOS 10.11.5.2RoomOS 10.11.3.0RoomOS 10.15.5.3

Weakness: CWE-664 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References