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High · 8.1 CVE-2026-20156 EUVD-2026-44717GHSA-gxwc-c8rv-5m26

Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities

Published Jul 15, 2026 · Updated Aug 14, 2026 · Assigned by cisco

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.

Affected products

VendorProductAffectedFixed
Cisco Cisco RoomOS Software 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, … —

References