CVE-2026-20156
CRITICAL
INFO
Priority: 0.04
BB Relevance:
80/100
Published: 2026-07-15
Modified: 2026-10-24
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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-2026-20156 are related to improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| cisco | roomos | < 11.32.6.0 |
| cisco | roomos | 26.0.1.2 – 26.5.2.2 |
| cisco | roomos_cloud | < 11.39.1.1 |
| cisco | roomos_cloud | 26.0.1.2 – 26.7.1.7 |
References & Advisories (2)
Vendor Advisory