CVE-2026-20150

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-15. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

July 15, 2026

Last Modified

August 14, 2026

Advisory Details (1)

Auto-updated Jul 15, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Cisco RoomOS Security Hardening Release: July 2026

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq

Vendor Advisories for CVE-2026-20150(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 65× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 192 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 04:45 UTCEG score recompute
  3. 2026-09-18 04:45 UTCGHSA enrichment
  4. 2026-09-16 14:07 UTCEPSS rescore
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-14 11:10 UTCGHSA enrichment
  7. 2026-09-13 23:12 UTCEG score recompute
  8. 2026-09-13 23:12 UTCGHSA enrichment
  9. 2026-09-13 16:46 UTCEPSS rescore
  10. 2026-09-13 07:13 UTCEG score recompute
  11. 2026-09-13 07:13 UTCGHSA enrichment
  12. 2026-09-12 15:00 UTCEPSS rescore
  13. 2026-09-12 13:03 UTCGHSA enrichment
  14. 2026-09-11 21:46 UTCEG score recompute
  15. 2026-09-11 21:46 UTCGHSA enrichment
  16. 2026-09-11 14:52 UTCEPSS rescore
  17. 2026-09-11 09:36 UTCEPSS rescore
  18. 2026-09-10 09:34 UTCEPSS rescore
  19. 2026-09-08 22:00 UTCEPSS rescore
  20. 2026-09-08 00:52 UTCEG score recompute
  21. 2026-09-08 00:52 UTCGHSA enrichment
  22. 2026-09-07 16:01 UTCEPSS rescore
  23. 2026-09-06 13:47 UTCEPSS rescore
  24. 2026-09-06 13:28 UTCGHSA enrichment
  25. 2026-09-05 20:50 UTCEG score recompute
Show 75 more
  1. 2026-09-05 20:50 UTCGHSA enrichment
  2. 2026-09-04 05:06 UTCEPSS rescore
  3. 2026-09-02 14:11 UTCEPSS rescore
  4. 2026-09-01 13:53 UTCEPSS rescore
  5. 2026-09-01 04:39 UTCEPSS rescore
  6. 2026-08-31 04:05 UTCEG score recompute
  7. 2026-08-31 04:05 UTCGHSA enrichment
  8. 2026-08-30 19:17 UTCEPSS rescore
  9. 2026-08-30 16:04 UTCGHSA enrichment
  10. 2026-08-30 03:52 UTCEG score recompute
  11. 2026-08-30 03:51 UTCGHSA enrichment
  12. 2026-08-30 01:22 UTCEPSS rescore
  13. 2026-08-28 21:41 UTCEPSS rescore
  14. 2026-08-28 01:52 UTCEG score recompute
  15. 2026-08-28 01:52 UTCGHSA enrichment
  16. 2026-08-27 14:25 UTCEPSS rescore
  17. 2026-08-27 12:53 UTCGHSA enrichment
  18. 2026-08-27 00:55 UTCEG score recompute
  19. 2026-08-27 00:55 UTCGHSA enrichment
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-26 12:56 UTCGHSA enrichment
  22. 2026-08-26 00:59 UTCEG score recompute
  23. 2026-08-26 00:59 UTCGHSA enrichment
  24. 2026-08-25 13:48 UTCEPSS rescore
  25. 2026-08-25 12:32 UTCGHSA enrichment
  26. 2026-08-25 00:15 UTCEG score recompute
  27. 2026-08-25 00:15 UTCGHSA enrichment
  28. 2026-08-24 12:17 UTCEG score recompute
  29. 2026-08-24 12:17 UTCGHSA enrichment
  30. 2026-08-24 00:16 UTCGHSA enrichment
  31. 2026-08-23 12:18 UTCGHSA enrichment
  32. 2026-08-23 00:20 UTCGHSA enrichment
  33. 2026-08-22 12:16 UTCGHSA enrichment
  34. 2026-08-22 00:10 UTCEG score recompute
  35. 2026-08-22 00:10 UTCGHSA enrichment
  36. 2026-08-21 23:49 UTCEPSS rescore
  37. 2026-08-21 12:12 UTCGHSA enrichment
  38. 2026-08-21 00:14 UTCEG score recompute
  39. 2026-08-21 00:14 UTCGHSA enrichment
  40. 2026-08-20 22:55 UTCEPSS rescore
  41. 2026-08-20 12:16 UTCGHSA enrichment
  42. 2026-08-20 00:16 UTCEG score recompute
  43. 2026-08-20 00:16 UTCGHSA enrichment
  44. 2026-08-19 17:03 UTCEPSS rescore
  45. 2026-08-19 09:51 UTCGHSA enrichment
  46. 2026-08-18 21:54 UTCEG score recompute
  47. 2026-08-18 21:54 UTCGHSA enrichment
  48. 2026-08-18 13:48 UTCEPSS rescore
  49. 2026-08-18 09:39 UTCGHSA enrichment
  50. 2026-08-17 21:23 UTCEG score recompute
  51. 2026-08-17 21:23 UTCGHSA enrichment
  52. 2026-08-17 13:47 UTCEPSS rescore
  53. 2026-08-17 09:11 UTCGHSA enrichment
  54. 2026-08-16 21:13 UTCEG score recompute
  55. 2026-08-16 21:13 UTCGHSA enrichment
  56. 2026-08-16 14:56 UTCEPSS rescore
  57. 2026-08-16 09:14 UTCEG score recompute
  58. 2026-08-16 09:14 UTCGHSA enrichment
  59. 2026-08-16 02:14 UTCEPSS rescore
  60. 2026-08-15 21:17 UTCGHSA enrichment
  61. 2026-08-15 09:19 UTCEG score recompute
  62. 2026-08-15 09:19 UTCGHSA enrichment
  63. 2026-08-15 01:30 UTCEPSS rescore
  64. 2026-08-14 21:20 UTCEG score recompute
  65. 2026-08-14 21:20 UTCGHSA enrichment
  66. 2026-08-14 21:04 UTCEG score recompute
  67. 2026-08-14 21:04 UTCGHSA enrichment
  68. 2026-08-14 14:32 UTCGHSA enrichment
  69. 2026-08-14 02:34 UTCEG score recompute
  70. 2026-08-14 02:34 UTCGHSA enrichment
  71. 2026-08-13 22:00 UTCEPSS rescore
  72. 2026-08-13 14:36 UTCGHSA enrichment
  73. 2026-08-13 02:38 UTCGHSA enrichment
  74. 2026-08-12 14:40 UTCEG score recompute
  75. 2026-08-12 14:40 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20150?
CVE-2026-20150 is a high vulnerability published on July 15, 2026. 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…
When was CVE-2026-20150 disclosed?
CVE-2026-20150 was first published in the National Vulnerability Database on July 15, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20150 actively exploited?
CVE-2026-20150 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 63.7% of all scored CVEs.
What is the CVSS score of CVE-2026-20150?
CVE-2026-20150 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-20150?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20150, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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