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CVE-2026-20156

HIGH
8.1
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-20156
State
PUBLISHED
Assigner
cisco
Reserved
2025-10-08 11:59 UTC
Published
2026-07-15 16:17 UTC
Last updated
2026-07-15 18:05 UTC
Primary CWE
CWE-119
Improper Restriction of Operations within the Bounds of a Me…
Vendor / Product
Cisco / Cisco RoomOS Software
Sources
cve.org  ·  NVD

Severity & Metrics

8.1 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Cisco Cisco RoomOS Software — RoomOS 10.11.2.2, RoomOS 10.15.2.2, RoomOS 11.5.4.6, RoomOS 11.5.2.4 …
Weakness (CWE)
CWESourceDescription
CWE-119 cna Improper Restriction of Operations within the Bounds of a Memory Buffer
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.1 HIGH 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References (1)
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