How severe is CVE-2005-3172?

CVE-2005-3172 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-3172 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3172?

CVE-2005-3172 affects Microsoft Windows 2000. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-3172?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-3172 published?

CVE-2005-3172 was published on 2005-10-06 and last updated on 2026-06-16.

CVE-2005-3172

CVE-2005-3172 is a medium-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows 2000
Published: 2005-10-06
Last modified: 2026-06-16

Description

The WideCharToMultiByte function in Microsoft Windows 2000 before Update Rollup 1 for SP4 does not properly convert strings with Japanese composite characters in the last character, which could prevent the string from being null terminated and lead to data corruption or enable buffer overflow attacks.

Frequently asked questions

What is CVE-2005-3172?: The WideCharToMultiByte function in Microsoft Windows 2000 before Update Rollup 1 for SP4 does not properly convert strings with Japanese composite characters in the last character, which could prevent the string from being null terminated and lead to data corruption or enable buffer overflow attacks.
How severe is CVE-2005-3172?: CVE-2005-3172 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-3172 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3172?: CVE-2005-3172 affects Microsoft Windows 2000. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-3172?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3172 published?: CVE-2005-3172 was published on 2005-10-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:*

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