How severe is CVE-2003-0662?

CVE-2003-0662 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2003-0662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0662?

CVE-2003-0662 primarily affects Microsoft Windows 2000. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0662?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2003-0662 published?

CVE-2003-0662 was published on 2003-11-17 and last updated on 2026-06-16.

CVE-2003-0662

CVE-2003-0662 is a critical-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 34% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 34% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Windows 2000
Published: 2003-11-17
Last modified: 2026-06-16

Description

Buffer overflow in Troubleshooter ActiveX Control (Tshoot.ocx) in Microsoft Windows 2000 SP4 and earlier allows remote attackers to execute arbitrary code via an HTML document with a long argument to the RunQuery2 method.

Frequently asked questions

What is CVE-2003-0662?: Buffer overflow in Troubleshooter ActiveX Control (Tshoot.ocx) in Microsoft Windows 2000 SP4 and earlier allows remote attackers to execute arbitrary code via an HTML document with a long argument to the RunQuery2 method.
How severe is CVE-2003-0662?: CVE-2003-0662 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2003-0662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0662?: CVE-2003-0662 primarily affects Microsoft Windows 2000. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-0662 published?: CVE-2003-0662 was published on 2003-11-17 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

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