CVE-2005-0063

CVE-2005-0063 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 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML Application Host (MSHTA), as demonstrated using a Microsoft Word document.

Frequently asked questions

What is CVE-2005-0063?
The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML Application Host (MSHTA), as demonstrated using a Microsoft Word document.
How severe is CVE-2005-0063?
CVE-2005-0063 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0063 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0063?
CVE-2005-0063 primarily affects Microsoft Windows 2000. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0063?
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-2005-0063 published?
CVE-2005-0063 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (21)

More vulnerabilities in Microsoft Windows 2000

All CVEs affecting Microsoft Windows 2000 →