CVE-2004-0210

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 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 7%CVSS: 7.8Exploit: cisa kev · ssvc active · Exploit-DB (verified) · public exploitExposed: 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)
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
7%
EPSS %ILE
94%
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

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/16590
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 52× in last 7d / 220× 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 820 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2004-0210?
CVE-2004-0210 is a critical 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

Explore →

Is Your Infrastructure Affected by CVE-2004-0210?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs