CVE-2026-72959

HIGHPre-NVD 8.88.8
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. the CNA's CVSS baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 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: 1%CVSS: 8.8Exploit: 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
8.8
EG Score
8.8(high)
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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
58%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 8, 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-2026-72959

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 50× in last 7d / 98× 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.

  1. 2026-09-21 08:04 UTCVendor advisory
  2. 2026-09-21 08:04 UTCGHSA enrichment
  3. 2026-09-20 20:17 UTCEG score recompute
  4. 2026-09-20 20:17 UTCVendor advisory
  5. 2026-09-20 20:17 UTCGHSA enrichment
  6. 2026-09-20 20:16 UTCEPSS rescore
  7. 2026-09-20 08:29 UTCVendor advisory
  8. 2026-09-20 08:29 UTCGHSA enrichment
  9. 2026-09-19 20:35 UTCEG score recompute
  10. 2026-09-19 20:35 UTCVendor advisory
  11. 2026-09-19 20:35 UTCGHSA enrichment
  12. 2026-09-19 08:48 UTCVendor advisory
  13. 2026-09-19 08:47 UTCGHSA enrichment
  14. 2026-09-18 20:58 UTCEG score recompute
  15. 2026-09-18 20:58 UTCVendor advisory
  16. 2026-09-18 20:58 UTCGHSA enrichment
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 14:07 UTCVendor advisory
  19. 2026-09-18 14:07 UTCGHSA enrichment
  20. 2026-09-18 11:17 UTCVendor advisory
  21. 2026-09-18 11:17 UTCGHSA enrichment
  22. 2026-09-17 23:29 UTCVendor advisory
  23. 2026-09-17 23:29 UTCGHSA enrichment
  24. 2026-09-17 20:08 UTCEG score recompute
  25. 2026-09-17 20:08 UTCVendor advisory
Show 73 more
  1. 2026-09-17 20:08 UTCGHSA enrichment
  2. 2026-09-17 09:57 UTCVendor advisory
  3. 2026-09-17 09:57 UTCGHSA enrichment
  4. 2026-09-16 22:09 UTCEG score recompute
  5. 2026-09-16 22:09 UTCVendor advisory
  6. 2026-09-16 22:09 UTCGHSA enrichment
  7. 2026-09-16 14:08 UTCEPSS rescore
  8. 2026-09-16 10:44 UTCEG score recompute
  9. 2026-09-16 10:44 UTCVendor advisory
  10. 2026-09-16 10:44 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 22:57 UTCVendor advisory
  13. 2026-09-15 22:57 UTCGHSA enrichment
  14. 2026-09-15 17:40 UTCVendor advisory
  15. 2026-09-15 17:40 UTCGHSA enrichment
  16. 2026-09-15 10:56 UTCEG score recompute
  17. 2026-09-15 10:56 UTCVendor advisory
  18. 2026-09-15 10:56 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 23:08 UTCVendor advisory
  21. 2026-09-14 23:08 UTCGHSA enrichment
  22. 2026-09-14 17:40 UTCVendor advisory
  23. 2026-09-14 17:39 UTCGHSA enrichment
  24. 2026-09-14 09:47 UTCVendor advisory
  25. 2026-09-14 09:46 UTCGHSA enrichment
  26. 2026-09-13 21:56 UTCEG score recompute
  27. 2026-09-13 21:56 UTCVendor advisory
  28. 2026-09-13 21:56 UTCGHSA enrichment
  29. 2026-09-13 10:08 UTCVendor advisory
  30. 2026-09-13 10:08 UTCGHSA enrichment
  31. 2026-09-12 22:21 UTCEG score recompute
  32. 2026-09-12 22:21 UTCVendor advisory
  33. 2026-09-12 22:21 UTCGHSA enrichment
  34. 2026-09-12 15:02 UTCEPSS rescore
  35. 2026-09-12 10:33 UTCVendor advisory
  36. 2026-09-12 10:33 UTCGHSA enrichment
  37. 2026-09-11 22:43 UTCVendor advisory
  38. 2026-09-11 22:42 UTCGHSA enrichment
  39. 2026-09-11 20:00 UTCVendor advisory
  40. 2026-09-11 20:00 UTCGHSA enrichment
  41. 2026-09-11 17:01 UTCEG score recompute
  42. 2026-09-11 17:01 UTCVendor advisory
  43. 2026-09-11 17:01 UTCGHSA enrichment
  44. 2026-09-11 14:53 UTCEPSS rescore
  45. 2026-09-11 11:40 UTCEG score recompute
  46. 2026-09-11 11:40 UTCGHSA enrichment
  47. 2026-09-10 23:28 UTCGHSA enrichment
  48. 2026-09-10 21:30 UTCGHSA enrichment
  49. 2026-09-10 09:43 UTCEG score recompute
  50. 2026-09-10 09:43 UTCGHSA enrichment
  51. 2026-09-10 09:35 UTCEPSS rescore
  52. 2026-09-09 21:54 UTCGHSA enrichment
  53. 2026-09-09 20:02 UTCEG score recompute
  54. 2026-09-09 20:02 UTCVendor advisory
  55. 2026-09-09 20:02 UTCGHSA enrichment
  56. 2026-09-09 10:27 UTCEG score recompute
  57. 2026-09-09 10:27 UTCVendor advisory
  58. 2026-09-09 10:27 UTCGHSA enrichment
  59. 2026-09-09 10:15 UTCVendor advisory
  60. 2026-09-09 10:15 UTCGHSA enrichment
  61. 2026-09-09 04:30 UTCVendor advisory
  62. 2026-09-09 04:30 UTCGHSA enrichment
  63. 2026-09-09 04:05 UTCEG score recompute
  64. 2026-09-09 04:05 UTCVendor advisory
  65. 2026-09-09 04:05 UTCGHSA enrichment
  66. 2026-09-08 23:56 UTCVendor advisory
  67. 2026-09-08 23:56 UTCGHSA enrichment
  68. 2026-09-08 18:42 UTCEG score recompute
  69. 2026-09-08 18:42 UTCVendor advisory
  70. 2026-09-08 18:42 UTCGHSA enrichment
  71. 2026-09-08 17:47 UTCEG score recompute
  72. 2026-09-08 17:47 UTCVendor advisory
  73. 2026-09-08 17:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-72959?
CVE-2026-72959 is a high 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-2026-72959 disclosed?
CVE-2026-72959 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-2026-72959 actively exploited?
CVE-2026-72959 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 42.0% of all scored CVEs.
What is the CVSS score of CVE-2026-72959?
CVE-2026-72959 has a CVSS v4.0 base score of 8.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-72959?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72959, 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

Explore the affected products and dependency analysis for CVE-2026-72959

Explore →

Is Your Infrastructure Affected by CVE-2026-72959?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.