CVE-2026-20187

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-15. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: 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-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
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-2026-20187(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 21× in last 7d / 118× 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 163 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-20187?
CVE-2026-20187 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-2026-20187 disclosed?
CVE-2026-20187 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-2026-20187 actively exploited?
CVE-2026-20187 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 61.5% of all scored CVEs.
What is the CVSS score of CVE-2026-20187?
CVE-2026-20187 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-20187?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20187, 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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