CVE-2003-0711

CVE-2003-0711 is a high-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Stack-based buffer overflow in the PCHealth system in the Help and Support Center function in Windows XP and Windows Server 2003 allows remote attackers to execute arbitrary code via a long query in an HCP URL.

Frequently asked questions

What is CVE-2003-0711?
Stack-based buffer overflow in the PCHealth system in the Help and Support Center function in Windows XP and Windows Server 2003 allows remote attackers to execute arbitrary code via a long query in an HCP URL.
How severe is CVE-2003-0711?
CVE-2003-0711 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0711 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0711?
CVE-2003-0711 primarily affects Microsoft Windows 2000. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0711?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0711 published?
CVE-2003-0711 was published on 2003-11-17 and last updated on 2026-06-16.

References

Affected products (48)

More vulnerabilities in Microsoft Windows 2000

All CVEs affecting Microsoft Windows 2000 →