CVE-2003-0907

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 22%CVSS: —Exploit: NoneExposed: 0

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

Help and Support Center in Microsoft Windows XP SP1 does not properly validate HCP URLs, which allows remote attackers to execute arbitrary code via quotation marks in an hcp:// URL, which are not quoted when constructing the argument list to HelpCtr.exe.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

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. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
97.4%
KEV
Not listed

Published

June 1, 2004

Last Modified

June 16, 2026

References (22)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 19× 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. 2026-07-23 00:45 UTCEG score recompute
  2. 2026-07-23 00:26 UTCEG score recompute
  3. 2026-07-22 23:49 UTCEG score recompute
  4. 2026-07-22 21:30 UTCEG score recompute
  5. 2026-07-20 17:02 UTCEPSS rescore
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  1. 2026-06-16 17:49 UTCEPSS rescore
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  3. 2026-06-15 17:43 UTCEPSS rescore
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  20. 2026-06-02 20:10 UTCEPSS rescore
  21. 2026-05-31 22:28 UTCEPSS rescore
  22. 2026-05-31 16:16 UTCEG score recompute
  23. 2026-05-31 16:16 UTCGHSA enrichment
  24. 2026-05-31 00:13 UTCEPSS rescore
  25. 2026-05-31 00:13 UTCEPSS rescore
  26. 2026-05-29 13:40 UTCEPSS rescore
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  31. 2026-05-27 13:37 UTCEPSS rescore
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  35. 2026-05-22 21:15 UTCEPSS rescore
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  39. 2026-05-18 21:29 UTCEPSS rescore
  40. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2003-0907?
CVE-2003-0907 is a none vulnerability published on June 1, 2004. Help and Support Center in Microsoft Windows XP SP1 does not properly validate HCP URLs, which allows remote attackers to execute arbitrary code via quotation marks in an hcp:// URL, which are not quoted when constructing the argument list to HelpCtr.exe.
When was CVE-2003-0907 disclosed?
CVE-2003-0907 was first published in the National Vulnerability Database on June 1, 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-2003-0907 actively exploited?
CVE-2003-0907 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-0907?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0907, 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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