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    CVE-2026-20158

    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-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

    Published:Jul 15, 2026
    Last Modified:Aug 14, 2026
    EPS:Jul 15, 2026
    EPSS Score:0.00252
    CVSS Score:7.5

    Affected Products

    Vendor
    Cisco
    Product
    Roomos
    Vendor
    Cisco
    Product
    Roomos Cloud
    Vendor
    Cisco
    Product
    Roomos Software

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-20153 (CVSS 7.5) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering …
    CVE-2026-20157 (CVSS 7.5) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering …
    CVE-2026-20156 (CVSS 8.1) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering …
    CVE-2026-20150 (CVSS 8.8) — As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering …
    CVE-2026-20119 (CVSS 7.5) — A vulnerability in the text rendering subsystem of Cisco TelePresence Collaboration Endpoint (CE) Software and…
    CVE-2025-20329 (CVSS 4.9) — A vulnerability in the logging component of Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS So…
    CVE-2025-20126 (CVSS 4.8) — A vulnerability in certification validation routines of Cisco ThousandEyes Endpoint Agent for macOS and RoomOS…
    CVE-2022-20793 (CVSS 6.8) — A vulnerability in pairing process of Cisco TelePresence CE Software and RoomOS Software for Cisco T…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High