VulnSocial

CVE-2026-20156Disclosure(cisco / roomos)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch cisco roomos systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • roomos
  • roomos_cloud

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • Peaked 2d ago at 1 mentions (2026-07-15); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
cisco
Products
roomosroomos_cloud

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-07-15: 1Mentions · 2026-07-16: 1Mentions · 2026-07-17: 1Patch / Workaround · 2026-07-17: 1Technical Details · 2026-07-15: 107-1507-1607-17
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-07-151
Disclosure1
2026-07-161
Disclosure1
2026-07-171
Patch1
Full discourse3 posts
  • Autumn Good@autumn_good_35
    Patch

    CVE-2026-20150 CVE-2026-20153 CVE-2026-20156 CVE-2026-20157 CVE-2026-20158 CVE-2026-20187 Cisco RoomOS Security Hardening Release: July 2026 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq

    Post summary

    The advisory announces a security hardening release for Cisco RoomOS addressing several CVEs, with a link to the official Cisco security advisory.

    00011415
    6.9K followersView on X
  • VulDB 🛡@vuldb
    Disclosure

    A new vulnerability with increased severity was disclosed for Cisco RoomOS (CVE-2026-20156) https://vuldb.com/vuln/379317

    Post summary

    A new Cisco RoomOS vulnerability (CVE-2026-20156) has been disclosed with increased severity, but no additional technical or exploitation details are provided.

    00000122
    2.3K followersView on X
  • Kaitan ID Security@KaitanSecurity
    Disclosure

    ⚠️ HIGH — CVE-2026-20156 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has … CVSS 8.1 Full analysis → https://sec.kaitan.id/cves/CVE-2026-20156 #Cisco #CyberSecurity #InfoSec

    Post summary

    Cisco RoomOS vulnerability CVE-2026-20156 disclosed with a CVSS score of 8.1; detailed analysis is available via a provided link.

    0000049
    87 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSciscoroomos---
OSciscoroomos_cloud---

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