CVE-2026-65770

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-21. The CNA's CVSS baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.1%CVSS: 10.0Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance for Apache Cassandra allows an unauthorized attacker to execute code over a network.

CVSS v3
10.0
EG Score
10.0CRITICALmedium confidence
EG Risk
60
EG Risk 60/100CISA 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
Severity100% × 45%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
1.1%
EPSS %ILE
63rd
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (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

August 20, 2026

Last Modified

September 29, 2026

Advisory Details (1)

Auto-updated Sep 29, 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-2026-65770

Vendor Advisories for CVE-2026-65770(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 76× in last 7d / 360× 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 606 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-65770?
CVE-2026-65770 is a critical vulnerability published on August 20, 2026. Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance for Apache Cassandra allows an unauthorized attacker to execute code over a network.
When was CVE-2026-65770 disclosed?
CVE-2026-65770 was first published on August 20, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-65770 actively exploited?
CVE-2026-65770 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% probability of exploitation in the next 30 days (63rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-65770?
CVE-2026-65770 has a CVSS base score of 10.0 (the CNA's own assessment, by microsoft; NVD's own analysis pending).
How do I remediate CVE-2026-65770?
A fix for CVE-2026-65770 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-65770 are linked in the Vendor Advisories panel on this page.

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