Answer in brief
CVE-2026-20158 records a High severity (CVSS 7.5) vulnerability in Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco RoomOS Software (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco RoomOS Software (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco RoomOS Softwaregeneric | RoomOS 10.11.2.2 || RoomOS 10.15.2.2 || RoomOS 11.5.4.6 || RoomOS 11.5.2.4 || RoomOS 10.8.2.5 || RoomOS 10.11.5.2 || RoomOS 10.11.3.0 || RoomOS 10.15.5.3 || RoomOS 10.19.2.2 || RoomOS 11.1.3.1 || RoomOS 10.11.6.0 || RoomOS 10.19.3.0 || RoomOS 10.19.4.2 || RoomOS 10.3.2.4 || RoomOS 10.3.4.0 || RoomOS 10.15.3.0 || RoomOS 11.1.4.1 || RoomOS 11.14.2.3 || RoomOS 11.1.2.4 || RoomOS 10.8.3.1 || RoomOS 11.14.2.1 || RoomOS 10.3.3.0 || RoomOS 10.8.4.0 || RoomOS 10.15.4.1 || RoomOS 10.19.5.6 || RoomOS 10.11.4.1 || RoomOS 11.9.3.1 || RoomOS 11.5.3.3 || RoomOS 10.3.2.0 || RoomOS 11.9.2.4 || RoomOS 11.14.3.0 || RoomOS 11.17.2.2 || RoomOS 11.14.4.0 || RoomOS 10.19 StepUpg || RoomOS 11.17.3.0 || RoomOS 11.20.2.3 || RoomOS 11.14.5.0 || RoomOS 11.17.4.0 || RoomOS 11.20.3.0 || RoomOS 11.23.1.6 || RoomOS 11.23.1.8 || RoomOS 11.24.1.5 || RoomOS 11.24.2.4 || RoomOS 11.24.3.0 || RoomOS 11.24.4.1 || RoomOS 11.27.2.0 || RoomOS 11.28.1.3 || RoomOS 11.27.3.0 || RoomOS 11.31.1.5 || RoomOS 11.27.4.0 || RoomOS 11.32.2.1 || RoomOS 11.33.1.7 || RoomOS 26.0.1.2 || RoomOS 11.34.1.2 || RoomOS 11.32.3.0 || RoomOS 11.27.5.0 || RoomOS 11.32.4.0 || RoomOS 26.1.1.5 || RoomOS 11.35.1.2 || RoomOS 26.2.2.2 || RoomOS 11.32.5.1 || RoomOS 26.4.1.6 || RoomOS 26.4.1.4 || RoomOS 26.3.1.3 || RoomOS 11.36.1.1 || RoomOS 11.37.1.0 || RoomOS 26.5.2.0 || RoomOS 11.38.1.1 | Not reported |
Published upstream
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-20158 records a High severity (CVSS 7.5) vulnerability in Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco RoomOS Software (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco RoomOS Software (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco RoomOS Softwaregeneric | RoomOS 10.11.2.2 || RoomOS 10.15.2.2 || RoomOS 11.5.4.6 || RoomOS 11.5.2.4 || RoomOS 10.8.2.5 || RoomOS 10.11.5.2 || RoomOS 10.11.3.0 || RoomOS 10.15.5.3 || RoomOS 10.19.2.2 || RoomOS 11.1.3.1 || RoomOS 10.11.6.0 || RoomOS 10.19.3.0 || RoomOS 10.19.4.2 || RoomOS 10.3.2.4 || RoomOS 10.3.4.0 || RoomOS 10.15.3.0 || RoomOS 11.1.4.1 || RoomOS 11.14.2.3 || RoomOS 11.1.2.4 || RoomOS 10.8.3.1 || RoomOS 11.14.2.1 || RoomOS 10.3.3.0 || RoomOS 10.8.4.0 || RoomOS 10.15.4.1 || RoomOS 10.19.5.6 || RoomOS 10.11.4.1 || RoomOS 11.9.3.1 || RoomOS 11.5.3.3 || RoomOS 10.3.2.0 || RoomOS 11.9.2.4 || RoomOS 11.14.3.0 || RoomOS 11.17.2.2 || RoomOS 11.14.4.0 || RoomOS 10.19 StepUpg || RoomOS 11.17.3.0 || RoomOS 11.20.2.3 || RoomOS 11.14.5.0 || RoomOS 11.17.4.0 || RoomOS 11.20.3.0 || RoomOS 11.23.1.6 || RoomOS 11.23.1.8 || RoomOS 11.24.1.5 || RoomOS 11.24.2.4 || RoomOS 11.24.3.0 || RoomOS 11.24.4.1 || RoomOS 11.27.2.0 || RoomOS 11.28.1.3 || RoomOS 11.27.3.0 || RoomOS 11.31.1.5 || RoomOS 11.27.4.0 || RoomOS 11.32.2.1 || RoomOS 11.33.1.7 || RoomOS 26.0.1.2 || RoomOS 11.34.1.2 || RoomOS 11.32.3.0 || RoomOS 11.27.5.0 || RoomOS 11.32.4.0 || RoomOS 26.1.1.5 || RoomOS 11.35.1.2 || RoomOS 26.2.2.2 || RoomOS 11.32.5.1 || RoomOS 26.4.1.6 || RoomOS 26.4.1.4 || RoomOS 26.3.1.3 || RoomOS 11.36.1.1 || RoomOS 11.37.1.0 || RoomOS 26.5.2.0 || RoomOS 11.38.1.1 | Not reported |
Published upstream
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
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.
Quoted source text, attributed separately from HOL analysis.