CVE-2004-0210

HIGHNVD 7.89.0▲Exploited in the wild

7.8

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: 91.5%
KEV: ⚠ Exploited

Published

August 6, 2004

Last Modified

April 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

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 22:20 UTCkev_newly_listed
2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 20:35 UTCkev_newly_listed
2026-05-27 13:37 UTCepss_batch
2026-05-26 19:13 UTCkev_newly_listed
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 19:13 UTCkev_newly_listed
2026-05-21 22:36 UTCkev_newly_listed
2026-05-20 22:36 UTCepss_batch
2026-05-20 17:33 UTCkev_newly_listed
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 07:47 UTCEG score recompute
2026-05-20 07:47 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 April 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

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