CVE-2003-0907

CVE-2003-0907 is a medium-severity vulnerability in Microsoft Windows Server 2003 with a CVSS 2.0 base score of 5.1. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-88.

Key facts

Description

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.

Frequently asked questions

What is CVE-2003-0907?
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.
How severe is CVE-2003-0907?
CVE-2003-0907 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2003-0907 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0907?
CVE-2003-0907 primarily affects Microsoft Windows Server 2003. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0907?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0907 published?
CVE-2003-0907 was published on 2004-06-01 and last updated on 2026-06-16.

References

Affected products (2)

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