CVE-2026-20150

HIGH 8.8 ALL-YEARS

Published 2026-07-15 · Last modified 2026-08-14 · cisco · NVD: Undergoing Analysis

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-2026-20150 are related to improper access control that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

ELEVATED IMPACT

Severe if exploited (CVSS 8.8), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 36th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

8.8CVSS 3.1 · HIGH · CNA

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Cisco

Products Cisco Roomos Software Roomos Roomos Cloud

Weakness (CWE)

CWE-284: Improper Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Cisco	Roomos	< 11.32.6.0
Cisco	Roomos	≥ 26.0.1.2 and < 26.5.2.2
Cisco	Roomos Cloud	< 11.39.1.1
Cisco	Roomos Cloud	≥ 26.0.1.2 and < 26.7.1.7

All CVSS metrics

HIGH 8.8 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
HIGH 8.8 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Advisories

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq Vendor AdvisoryCVE record · cisco · Updated 2026-07-15T16:17:00.370Z
NVD · CVE-2026-20150 · Updated 2026-10-24T21:10:00.130
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-44715 ADVISORYEUVD · EUVD-2026-44715

Technical & other

https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-IdentificationCVE record · CVE · Updated 2026-08-14T20:57:54.323Z
NVD · CVE-2026-20150 · Updated 2026-10-24T21:10:00.130

Sources: NVD · CVE.org · All sources and attribution · EPSS