CVE-2026-69590

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-08. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
61%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 18, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69590

Vendor Advisories for CVE-2026-69590(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 100× in last 7d / 187× 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 187 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69590?
CVE-2026-69590 is a critical vulnerability published on September 8, 2026. Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
When was CVE-2026-69590 disclosed?
CVE-2026-69590 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69590 actively exploited?
CVE-2026-69590 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 39.4% of all scored CVEs.
What is the CVSS score of CVE-2026-69590?
CVE-2026-69590 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-69590?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69590, 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.

Dependency Blast Radius

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