Riskcovery

CVE-2026-20156

Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities

State
Published
Severity
8.1 High
Published
Jul 15, 2026
Updated
Aug 14, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.18.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hcisco

Weaknesses

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

ProductVersions
Cisco RoomOS SoftwareCisco
  • RoomOS 10.11.2.2Affected
  • RoomOS 10.15.2.2Affected
  • RoomOS 11.5.4.6Affected
  • RoomOS 11.5.2.4Affected
  • RoomOS 10.8.2.5Affected
  • RoomOS 10.11.5.2Affected
  • RoomOS 10.11.3.0Affected
  • RoomOS 10.15.5.3Affected
  • RoomOS 10.19.2.2Affected
  • RoomOS 11.1.3.1Affected
  • RoomOS 10.11.6.0Affected
  • RoomOS 10.19.3.0Affected
  • RoomOS 10.19.4.2Affected
  • RoomOS 10.3.2.4Affected
  • RoomOS 10.3.4.0Affected
  • RoomOS 10.15.3.0Affected
  • RoomOS 11.1.4.1Affected
  • RoomOS 11.14.2.3Affected
  • RoomOS 11.1.2.4Affected
  • RoomOS 10.8.3.1Affected
  • RoomOS 11.14.2.1Affected
  • RoomOS 10.3.3.0Affected
  • RoomOS 10.8.4.0Affected
  • RoomOS 10.15.4.1Affected
  • RoomOS 10.19.5.6Affected
  • and 43 more versions

References

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