How severe is CVE-2000-1034?

CVE-2000-1034 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-1034 being actively exploited?

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

What products are affected by CVE-2000-1034?

CVE-2000-1034 affects Microsoft Windows 2000. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-1034?

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-2000-1034 published?

CVE-2000-1034 was published on 2000-12-11 and last updated on 2026-06-16.

CVE-2000-1034

CVE-2000-1034 is a critical-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows 2000
Published: 2000-12-11
Last modified: 2026-06-16

Description

Buffer overflow in the System Monitor ActiveX control in Windows 2000 allows remote attackers to execute arbitrary commands via a long LogFileName parameter in HTML source code, aka the "ActiveX Parameter Validation" vulnerability.

Frequently asked questions

What is CVE-2000-1034?: Buffer overflow in the System Monitor ActiveX control in Windows 2000 allows remote attackers to execute arbitrary commands via a long LogFileName parameter in HTML source code, aka the "ActiveX Parameter Validation" vulnerability.
How severe is CVE-2000-1034?: CVE-2000-1034 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-1034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1034?: CVE-2000-1034 affects Microsoft Windows 2000. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-1034?: 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-2000-1034 published?: CVE-2000-1034 was published on 2000-12-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*

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