CVE-2003-0717

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 86% probability of exploitation within the next 30 days (top 0.6% 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 63%
CISA-KEV: Not listedEPSS: 63%CVSS: —Exploit: NoneExposed: 0

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

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.

CVSS v3
—
EG Score
9.0(low)
EPSS
99.1%
KEV
Not listed

Published

November 17, 2003

Last Modified

June 16, 2026

References (16)

Data Freshness Timeline

(refreshed 3× in last 7d / 15× 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. 2026-07-11 08:22 UTCEPSS rescore
  2. 2026-07-11 08:22 UTCEPSS rescore
  3. 2026-07-08 15:09 UTCEPSS rescore
  4. 2026-07-02 14:00 UTCEPSS rescore
  5. 2026-06-28 04:52 UTCEPSS rescore
  6. 2026-06-27 03:04 UTCEPSS rescore
  7. 2026-06-23 21:29 UTCEPSS rescore
  8. 2026-06-21 01:56 UTCEPSS rescore
  9. 2026-06-18 17:49 UTCEPSS rescore
  10. 2026-06-18 17:49 UTCEPSS rescore
  11. 2026-06-17 17:49 UTCEPSS rescore
  12. 2026-06-17 17:49 UTCEPSS rescore
  13. 2026-06-16 17:49 UTCEPSS rescore
  14. 2026-06-16 17:49 UTCEPSS rescore
  15. 2026-06-15 17:43 UTCEPSS rescore
  16. 2026-06-13 22:56 UTCEPSS rescore
  17. 2026-06-12 23:08 UTCEPSS rescore
  18. 2026-06-10 22:13 UTCEPSS rescore
  19. 2026-06-10 13:17 UTCEPSS rescore
  20. 2026-06-08 14:13 UTCEPSS rescore
  21. 2026-06-06 13:44 UTCEPSS rescore
  22. 2026-06-06 13:44 UTCEPSS rescore
  23. 2026-06-06 13:44 UTCEPSS rescore
  24. 2026-06-05 22:43 UTCEPSS rescore
  25. 2026-06-05 22:43 UTCEPSS rescore
Show 19 more
  1. 2026-06-05 06:07 UTCEPSS rescore
  2. 2026-05-31 17:07 UTCEG score recompute
  3. 2026-05-31 17:07 UTCGHSA enrichment
  4. 2026-05-31 00:13 UTCEPSS rescore
  5. 2026-05-31 00:13 UTCEPSS rescore
  6. 2026-05-28 13:42 UTCEPSS rescore
  7. 2026-05-28 13:42 UTCEPSS rescore
  8. 2026-05-28 13:42 UTCEPSS rescore
  9. 2026-05-26 13:41 UTCEPSS rescore
  10. 2026-05-26 13:41 UTCEPSS rescore
  11. 2026-05-26 07:16 UTCEPSS rescore
  12. 2026-05-26 07:16 UTCEPSS rescore
  13. 2026-05-24 16:42 UTCEPSS rescore
  14. 2026-05-22 21:15 UTCEPSS rescore
  15. 2026-05-20 22:36 UTCEPSS rescore
  16. 2026-05-20 11:20 UTCEPSS rescore
  17. 2026-05-20 11:20 UTCEPSS rescore
  18. 2026-05-18 21:29 UTCEPSS rescore
  19. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (4 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-385✓ verified
    First seen Aug 8, 2004

    Microsoft Messenger (Linux) - Denial of Service (MS03-043)

    Open source ↗
  • Exploit-DBEDB-135✓ verified
    First seen Dec 16, 2003

    Microsoft Windows Messenger Service (French) - Remote (MS03-043)

    Open source ↗
  • Exploit-DBEDB-23247✓ verified
    First seen Oct 25, 2003

    Microsoft Windows XP/2000 - Messenger Service Buffer Overrun (MS03-043)

    Open source ↗
  • Exploit-DBEDB-111✓ verified
    First seen Oct 18, 2003

    Microsoft Windows Messenger Service - Denial of Service (MS03-043)

    Open source ↗

Frequently asked(4)

What is CVE-2003-0717?
CVE-2003-0717 is a none vulnerability published on November 17, 2003. The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
When was CVE-2003-0717 disclosed?
CVE-2003-0717 was first published in the National Vulnerability Database on November 17, 2003, 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-2003-0717 actively exploited?
CVE-2003-0717 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-0717?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0717, 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-2003-0717

Explore →

Is Your Infrastructure Affected by CVE-2003-0717?

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

Start Free Scan →Browse All CVEs