CVE-2024-38193

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-08-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 29%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
29%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

August 13, 2024

Last Modified

October 28, 2025

Advisory Details (3)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38193
generic🟡 PoC Available

Microsoft Windows 11 Pro 23H2 - Ancillary Function Driver for WinSock Privilege Escalation - Windows local Exploit

https://www.exploit-db.com/exploits/52284
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-2024-38193

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 104× in last 7d / 423× 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 1,538 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-52284
    First seen May 9, 2025

    Microsoft Windows 11 Pro 23H2 - Ancillary Function Driver for WinSock Privilege Escalation

    Open source ↗
  • GitHub PoCkillvxk/CVE-2024-38193-Nephster
    First seen Dec 3, 2024
    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2024-38193?
CVE-2024-38193 is a critical vulnerability published on August 13, 2024. Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
When was CVE-2024-38193 disclosed?
CVE-2024-38193 was first published in the National Vulnerability Database on August 13, 2024, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-38193 actively exploited?
Yes. CISA added CVE-2024-38193 to the Known Exploited Vulnerabilities catalog on August 13, 2024, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2024-38193?
CVE-2024-38193 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2024-38193?
CVE-2024-38193 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2024-38193?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-38193, 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-2024-38193

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