CVE-2006-3439

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 89% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 85%
CISA-KEV: Not listedEPSS: 85%CVSS: —Exploit: NoneExposed: 0

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

Buffer overflow in the Server Service in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers, including anonymous users, to execute arbitrary code via a crafted RPC message, a different vulnerability than CVE-2006-1314.

CVSS v3
—
EG Score
9.0(low)
EPSS
99.7%
KEV
Not listed

Published

August 9, 2006

Last Modified

April 16, 2026

References (22)

Data Freshness Timeline

(refreshed 2× in last 7d / 11× 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.

  1. 2026-07-13 22:25 UTCEPSS rescore
  2. 2026-07-08 15:09 UTCEPSS rescore
  3. 2026-07-02 14:00 UTCEPSS rescore
  4. 2026-06-29 14:02 UTCEPSS rescore
  5. 2026-06-29 14:02 UTCEPSS rescore
  6. 2026-06-25 13:46 UTCEPSS rescore
  7. 2026-06-23 21:29 UTCEPSS rescore
  8. 2026-06-23 21:29 UTCEPSS rescore
  9. 2026-06-17 17:49 UTCEPSS rescore
  10. 2026-06-17 17:49 UTCEPSS rescore
  11. 2026-06-15 17:44 UTCEPSS rescore
  12. 2026-06-13 22:56 UTCEPSS rescore
  13. 2026-06-10 22:14 UTCEPSS rescore
  14. 2026-06-10 13:17 UTCEPSS rescore
  15. 2026-06-05 22:43 UTCEPSS rescore
  16. 2026-06-05 06:07 UTCEPSS rescore
  17. 2026-06-05 06:07 UTCEPSS rescore
  18. 2026-06-04 13:09 UTCEPSS rescore
  19. 2026-06-04 13:09 UTCEPSS rescore
  20. 2026-06-01 13:49 UTCEPSS rescore
  21. 2026-06-01 13:49 UTCEPSS rescore
  22. 2026-06-01 13:49 UTCEPSS rescore
  23. 2026-05-31 22:28 UTCEPSS rescore
  24. 2026-05-31 07:19 UTCEG score recompute
  25. 2026-05-31 07:19 UTCGHSA enrichment
Show 14 more
  1. 2026-05-29 13:40 UTCEPSS rescore
  2. 2026-05-28 13:42 UTCEPSS rescore
  3. 2026-05-28 13:42 UTCEPSS rescore
  4. 2026-05-27 13:37 UTCEPSS rescore
  5. 2026-05-27 13:37 UTCEPSS rescore
  6. 2026-05-26 13:41 UTCEPSS rescore
  7. 2026-05-26 13:41 UTCEPSS rescore
  8. 2026-05-26 07:16 UTCEPSS rescore
  9. 2026-05-26 07:16 UTCEPSS rescore
  10. 2026-05-22 21:15 UTCEPSS rescore
  11. 2026-05-22 21:15 UTCEPSS rescore
  12. 2026-05-20 22:36 UTCEPSS rescore
  13. 2026-05-20 22:36 UTCEPSS rescore
  14. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (5 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16367✓ verified
    First seen Feb 17, 2011

    Microsoft Server Service - NetpwPathCanonicalize Overflow (MS06-040) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-2355✓ verified
    First seen Sep 13, 2006

    Microsoft Windows Server 2003 - NetpIsRemote() Remote Overflow (MS06-040) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-2265✓ verified
    First seen Aug 28, 2006

    Microsoft Windows - NetpIsRemote() Remote Overflow (MS06-040) (2)

    Open source ↗
  • Exploit-DBEDB-2223✓ verified
    First seen Aug 19, 2006

    Microsoft Windows - CanonicalizePathName() Remote (MS06-040)

    Open source ↗
  • Exploit-DBEDB-2162✓ verified
    First seen Aug 10, 2006

    Microsoft Windows - NetpIsRemote() Remote Overflow (MS06-040) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/smb/ms06_040_netapi✓ verified
    First seen Aug 8, 2006

    MS06-040 Microsoft Server Service NetpwPathCanonicalize Overflow

    Open source ↗

Frequently asked(4)

What is CVE-2006-3439?
CVE-2006-3439 is a none vulnerability published on August 9, 2006. Buffer overflow in the Server Service in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers, including anonymous users, to execute arbitrary code via a crafted RPC message, a different vulnerability than CVE-2006-1314.
When was CVE-2006-3439 disclosed?
CVE-2006-3439 was first published in the National Vulnerability Database on August 9, 2006, 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-2006-3439 actively exploited?
CVE-2006-3439 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-3439?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-3439, 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.

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