CVE-2004-0210

HIGHNVD 7.89.0
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), 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 — 4 sources updated this weekExploited in the wild
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 8%CVSS: 7.8Exploit: NoneExposed: 0

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

The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to execute arbitrary code via certain parameters, possibly by modifying message length values and causing a buffer overflow.

CVSS v3
7.8
EG Score
9.0(high)
EPSS
93.8%
KEV
⚠ Exploited

Published

August 6, 2004

Last Modified

June 16, 2026

Advisory Details (3)

Auto-updated May 19, 2026
🔬 Proof of concept available. No patch confirmed yet. Sources: cert.
generic🟡 PoC Available

Microsoft Security Bulletin MS04-020 - Important | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-020
cert

VU#647436 - Microsoft Windows contains a buffer overflow in the POSIX subsystem

http://www.kb.cert.org/vuls/id/647436

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 88× in last 7d / 377× 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 595 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-24277✓ verified
    First seen Jul 16, 2004

    Microsoft Windows NT 4.0/2000 - POSIX Subsystem Local Buffer Overflow / Local Privilege Escalation (MS04-020)

    Open source ↗

Frequently asked(6)

What is CVE-2004-0210?
CVE-2004-0210 is a high vulnerability published on August 6, 2004. The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to execute arbitrary code via certain parameters, possibly by modifying message length values and causing a buffer overflow.
When was CVE-2004-0210 disclosed?
CVE-2004-0210 was first published in the National Vulnerability Database on August 6, 2004, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2004-0210 actively exploited?
Yes. CISA added CVE-2004-0210 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2004-0210?
CVE-2004-0210 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-2004-0210?
CVE-2004-0210 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-2004-0210?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0210, 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-2004-0210

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