CVE-2024-23439

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.2% (10th percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.1Exploit: None knownExposed services: Not assessed

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

Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability by triggering the 0x22201B, 0x22201F, 0x222023, 0x222027 ,0x22202B, 0x22202F, 0x22203F, 0x222057 and 0x22205B IOCTL codes of the Vba32m64.sys driver.

CVSS v3
7.1
EG Score
7.1HIGHmedium confidence
EG Risk
32
EG Risk 32/100CISA 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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

February 13, 2024

Last Modified

May 19, 2025

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 21× 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 165 total refreshes for this CVE.

  1. 2026-10-03 14:23 UTCEPSS rescore
  2. 2026-10-01 19:48 UTCEPSS rescore
  3. 2026-09-30 16:57 UTCEG score recompute
  4. 2026-09-30 15:01 UTCEPSS rescore
  5. 2026-09-29 15:17 UTCEPSS rescore
  6. 2026-09-28 13:49 UTCEPSS rescore
  7. 2026-09-24 14:01 UTCEPSS rescore
  8. 2026-09-23 13:46 UTCEPSS rescore
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  10. 2026-09-20 20:14 UTCEPSS rescore
  11. 2026-09-16 14:06 UTCEPSS rescore
  12. 2026-09-16 05:11 UTCEPSS rescore
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  14. 2026-09-13 16:45 UTCEPSS rescore
  15. 2026-09-12 14:59 UTCEPSS rescore
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  17. 2026-09-11 09:34 UTCEPSS rescore
  18. 2026-09-08 21:58 UTCEPSS rescore
  19. 2026-09-07 15:59 UTCEPSS rescore
  20. 2026-09-06 13:46 UTCEPSS rescore
  21. 2026-09-05 15:26 UTCEPSS rescore
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  24. 2026-09-02 14:10 UTCEPSS rescore
  25. 2026-09-01 13:52 UTCEPSS rescore
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  1. 2026-08-30 19:15 UTCEPSS rescore
  2. 2026-08-30 01:20 UTCEPSS rescore
  3. 2026-08-28 21:39 UTCEPSS rescore
  4. 2026-08-27 14:23 UTCEPSS rescore
  5. 2026-08-26 14:44 UTCEPSS rescore
  6. 2026-08-25 13:47 UTCEPSS rescore
  7. 2026-08-21 23:47 UTCEPSS rescore
  8. 2026-08-20 22:53 UTCEPSS rescore
  9. 2026-08-19 17:02 UTCEPSS rescore
  10. 2026-08-18 13:46 UTCEPSS rescore
  11. 2026-08-17 13:45 UTCEPSS rescore
  12. 2026-08-16 14:54 UTCEPSS rescore
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  14. 2026-08-16 02:12 UTCEPSS rescore
  15. 2026-08-13 21:58 UTCEPSS rescore
  16. 2026-08-12 13:49 UTCEPSS rescore
  17. 2026-08-11 13:40 UTCEPSS rescore
  18. 2026-08-09 13:45 UTCEPSS rescore
  19. 2026-08-08 16:35 UTCEPSS rescore
  20. 2026-08-06 13:45 UTCEPSS rescore
  21. 2026-08-05 19:15 UTCEPSS rescore
  22. 2026-08-04 15:08 UTCEPSS rescore
  23. 2026-08-04 10:36 UTCEPSS rescore
  24. 2026-08-03 10:34 UTCEPSS rescore
  25. 2026-08-02 02:25 UTCEPSS rescore
  26. 2026-08-02 02:25 UTCEPSS rescore
  27. 2026-08-01 04:14 UTCEPSS rescore
  28. 2026-07-30 16:26 UTCEPSS rescore
  29. 2026-07-30 01:29 UTCEPSS rescore
  30. 2026-07-28 15:34 UTCEPSS rescore
  31. 2026-07-27 14:11 UTCEPSS rescore
  32. 2026-07-26 14:53 UTCEPSS rescore
  33. 2026-07-25 14:16 UTCEPSS rescore
  34. 2026-07-24 14:16 UTCEPSS rescore
  35. 2026-07-23 14:17 UTCEPSS rescore
  36. 2026-07-23 14:17 UTCEPSS rescore
  37. 2026-07-23 02:34 UTCEG score recompute
  38. 2026-07-22 23:20 UTCEG score recompute▲ 0.80
  39. 2026-07-22 14:07 UTCEPSS rescore
  40. 2026-07-21 15:23 UTCEPSS rescore
  41. 2026-07-21 15:23 UTCEPSS rescore
  42. 2026-07-20 17:06 UTCEPSS rescore
  43. 2026-07-19 14:30 UTCEPSS rescore
  44. 2026-07-19 14:30 UTCEPSS rescore
  45. 2026-07-18 10:03 UTCEPSS rescore
  46. 2026-07-18 10:03 UTCEPSS rescore
  47. 2026-07-15 16:56 UTCEPSS rescore
  48. 2026-07-15 16:56 UTCEPSS rescore
  49. 2026-07-15 01:59 UTCEPSS rescore
  50. 2026-07-15 01:59 UTCEPSS rescore
  51. 2026-07-13 22:28 UTCEPSS rescore
  52. 2026-07-13 06:11 UTCEPSS rescore
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  54. 2026-07-12 05:45 UTCEPSS rescore
  55. 2026-07-11 08:26 UTCEPSS rescore
  56. 2026-07-09 19:09 UTCEPSS rescore
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  58. 2026-07-08 15:13 UTCEPSS rescore
  59. 2026-07-07 13:45 UTCEPSS rescore
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  61. 2026-07-06 16:26 UTCEPSS rescore
  62. 2026-07-06 02:22 UTCEPSS rescore
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  64. 2026-07-05 02:29 UTCEPSS rescore
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  66. 2026-07-01 15:05 UTCEPSS rescore
  67. 2026-06-30 23:21 UTCEPSS rescore
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  69. 2026-06-29 14:05 UTCEPSS rescore
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  72. 2026-06-28 04:55 UTCEPSS rescore
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  74. 2026-06-27 03:07 UTCEPSS rescore
  75. 2026-06-27 03:07 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-23439?
CVE-2024-23439 is a high vulnerability published on February 13, 2024. Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability by triggering the 0x22201B, 0x22201F, 0x222023, 0x222027 ,0x22202B, 0x22202F, 0x22203F, 0x222057 and 0x22205B IOCTL codes of the Vba32m64.sys driver.
When was CVE-2024-23439 disclosed?
CVE-2024-23439 was first published on February 13, 2024, with the most recent update on May 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-23439 actively exploited?
CVE-2024-23439 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-23439?
CVE-2024-23439 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2024-23439?
No fix for CVE-2024-23439 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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