CVE-2026-20158 json
Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities
published 2026-07-15 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-44721
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- cisco roomos 11.32.6.0, 26.5.2.2
- cisco roomos_cloud 11.39.1.1, 26.7.1.7
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Cisco Cisco RoomOS Software
Classification
- Weakness
-
- CWE-664 Improper Control of a Resource Through its Lifetime
References
Sources
- CVE List CVE-2026-20158
- NVD CVE-2026-20158
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