CVE-2026-65770

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH 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%CVSS: 10.0Exploit: None knownExposed: 0

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

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
10.0(high)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

August 20, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 16, 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(1)

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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 91× in last 7d / 430× 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 430 total refreshes for this CVE.

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

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 in the National Vulnerability Database on August 20, 2026, with the most recent update on September 16, 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% probability of exploitation in the next 30 days, which ranks it in the top 54.3% of all scored CVEs.
What is the CVSS score of CVE-2026-65770?
CVE-2026-65770 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-65770?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65770, 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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