Buffer overflow in Cisco Roomos Software
CVE-2026-20156
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…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Roomos Software — versions RoomOS 10.11.2.2, RoomOS 10.15.2.2, RoomOS 11.5.4.6
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20156?
- CVE-2026-20156 is a high-severity vulnerability in Cisco Roomos Software, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2026-07-15.
- How severe is CVE-2026-20156?
- High severity. CVSS v3 base score is 8.1 out of 10.