CVE-2026-81349

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. The CNA's CVSS baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.0%CVSS: 7.2Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.

CVSS v3
7.2
EG Score
7.2HIGHhigh confidence
EG Risk
33
EG Risk 33/100CISA SSVC

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
Severity72% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
1.0%
EPSS %ILE
61st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 8, 2026

Last Modified

October 1, 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-2026-81349

Vendor Advisories for CVE-2026-81349(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 43× 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. 2026-10-05 02:19 UTCEG score recompute
  2. 2026-10-05 02:19 UTCVendor advisory
  3. 2026-10-05 02:19 UTCGHSA enrichment
  4. 2026-10-04 23:22 UTCEPSS rescore
  5. 2026-10-04 14:01 UTCVendor advisory
  6. 2026-10-04 14:01 UTCGHSA enrichment
  7. 2026-10-04 01:43 UTCEG score recompute
  8. 2026-10-04 01:43 UTCVendor advisory
  9. 2026-10-04 01:43 UTCGHSA enrichment
  10. 2026-10-03 14:26 UTCEPSS rescore
  11. 2026-10-03 13:19 UTCVendor advisory
  12. 2026-10-03 13:19 UTCGHSA enrichment
  13. 2026-10-03 01:01 UTCEG score recompute
  14. 2026-10-03 01:01 UTCVendor advisory
  15. 2026-10-03 01:01 UTCGHSA enrichment
  16. 2026-10-02 17:57 UTCEPSS rescore
  17. 2026-10-02 12:42 UTCVendor advisory
  18. 2026-10-02 12:42 UTCGHSA enrichment
  19. 2026-10-01 23:41 UTCEG score recompute
  20. 2026-10-01 23:41 UTCVendor advisory
  21. 2026-10-01 23:41 UTCGHSA enrichment
  22. 2026-10-01 19:50 UTCEPSS rescore
  23. 2026-10-01 17:26 UTCVendor advisory
  24. 2026-10-01 17:26 UTCGHSA enrichment
  25. 2026-10-01 04:18 UTCVendor advisory
Show 75 more
  1. 2026-10-01 04:18 UTCGHSA enrichment
  2. 2026-09-30 16:00 UTCEG score recompute
  3. 2026-09-30 16:00 UTCVendor advisory
  4. 2026-09-30 16:00 UTCGHSA enrichment
  5. 2026-09-30 15:04 UTCEPSS rescore
  6. 2026-09-30 11:33 UTCVendor advisory
  7. 2026-09-30 11:33 UTCGHSA enrichment
  8. 2026-09-29 23:15 UTCEG score recompute
  9. 2026-09-29 23:15 UTCVendor advisory
  10. 2026-09-29 23:15 UTCGHSA enrichment
  11. 2026-09-29 13:56 UTCVendor advisory
  12. 2026-09-29 13:56 UTCGHSA enrichment
  13. 2026-09-29 01:38 UTCEG score recompute
  14. 2026-09-29 01:38 UTCVendor advisory
  15. 2026-09-29 01:38 UTCGHSA enrichment
  16. 2026-09-28 13:52 UTCEPSS rescore
  17. 2026-09-28 13:21 UTCVendor advisory
  18. 2026-09-28 13:21 UTCGHSA enrichment
  19. 2026-09-28 01:03 UTCEG score recompute
  20. 2026-09-28 01:03 UTCVendor advisory
  21. 2026-09-28 01:03 UTCGHSA enrichment
  22. 2026-09-27 13:48 UTCEPSS rescore
  23. 2026-09-27 12:44 UTCVendor advisory
  24. 2026-09-27 12:44 UTCGHSA enrichment
  25. 2026-09-27 00:26 UTCEG score recompute
  26. 2026-09-27 00:26 UTCVendor advisory
  27. 2026-09-27 00:26 UTCGHSA enrichment
  28. 2026-09-26 15:59 UTCEPSS rescore
  29. 2026-09-26 12:02 UTCEG score recompute
  30. 2026-09-26 12:02 UTCVendor advisory
  31. 2026-09-26 12:02 UTCGHSA enrichment
  32. 2026-09-25 22:01 UTCVendor advisory
  33. 2026-09-25 22:01 UTCGHSA enrichment
  34. 2026-09-25 11:05 UTCGHSA enrichment
  35. 2026-09-24 22:28 UTCVendor advisory
  36. 2026-09-24 22:28 UTCGHSA enrichment
  37. 2026-09-24 20:41 UTCVendor advisory
  38. 2026-09-24 20:41 UTCGHSA enrichment
  39. 2026-09-24 17:26 UTCEG score recompute
  40. 2026-09-24 17:26 UTCVendor advisory
  41. 2026-09-24 17:26 UTCGHSA enrichment
  42. 2026-09-24 14:04 UTCEPSS rescore
  43. 2026-09-24 11:01 UTCVendor advisory
  44. 2026-09-24 11:01 UTCGHSA enrichment
  45. 2026-09-23 22:43 UTCEG score recompute
  46. 2026-09-23 22:43 UTCVendor advisory
  47. 2026-09-23 22:43 UTCGHSA enrichment
  48. 2026-09-23 20:01 UTCEG score recompute
  49. 2026-09-23 20:01 UTCVendor advisory
  50. 2026-09-23 20:01 UTCGHSA enrichment
  51. 2026-09-23 18:53 UTCEG score recompute
  52. 2026-09-23 18:53 UTCVendor advisory
  53. 2026-09-23 18:53 UTCGHSA enrichment
  54. 2026-09-23 17:54 UTCEPSS rescore
  55. 2026-09-23 06:09 UTCVendor advisory
  56. 2026-09-23 06:09 UTCGHSA enrichment
  57. 2026-09-22 17:51 UTCEG score recompute
  58. 2026-09-22 17:51 UTCVendor advisory
  59. 2026-09-22 17:51 UTCGHSA enrichment
  60. 2026-09-22 16:01 UTCEPSS rescore
  61. 2026-09-22 05:04 UTCEG score recompute
  62. 2026-09-22 05:04 UTCVendor advisory
  63. 2026-09-22 05:03 UTCGHSA enrichment
  64. 2026-09-21 21:09 UTCEPSS rescore
  65. 2026-09-21 16:46 UTCVendor advisory
  66. 2026-09-21 16:45 UTCGHSA enrichment
  67. 2026-09-21 11:05 UTCVendor advisory
  68. 2026-09-21 11:05 UTCGHSA enrichment
  69. 2026-09-20 22:47 UTCEG score recompute
  70. 2026-09-20 22:47 UTCVendor advisory
  71. 2026-09-20 22:47 UTCGHSA enrichment
  72. 2026-09-20 20:16 UTCEPSS rescore
  73. 2026-09-20 10:29 UTCVendor advisory
  74. 2026-09-20 10:29 UTCGHSA enrichment
  75. 2026-09-19 22:10 UTCEG score recompute

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Frequently asked(5)

What is CVE-2026-81349?
CVE-2026-81349 is a high vulnerability published on September 8, 2026. Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.
When was CVE-2026-81349 disclosed?
CVE-2026-81349 was first published on September 8, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81349 actively exploited?
CVE-2026-81349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.0% probability of exploitation in the next 30 days (61st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-81349?
CVE-2026-81349 has a CVSS base score of 7.2 (the CNA's own assessment, by microsoft; NVD's own analysis pending).
How do I remediate CVE-2026-81349?
A fix for CVE-2026-81349 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-81349 are linked in the Vendor Advisories panel on this page.

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