CVE-2026-20156: Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20156?
CVE-2026-20156 has a high severity rating of 8.1.
What type of vulnerability is identified by CVE-2026-20156?
CVE-2026-20156 is classified as a buffer management vulnerability.
How do I fix CVE-2026-20156?
To fix CVE-2026-20156, ensure that you install the latest software release from Cisco for RoomOS.
What impact does CVE-2026-20156 have on Cisco RoomOS?
CVE-2026-20156 can potentially allow unauthorized access due to buffer overflow, leading to impact on confidentiality, integrity, and availability.
When was CVE-2026-20156 published?
CVE-2026-20156 was published on July 15, 2026.