How severe is CVE-2004-1623?

CVE-2004-1623 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1623 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1623?

CVE-2004-1623 primarily affects Microsoft Windows Xp. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1623?

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

When was CVE-2004-1623 published?

CVE-2004-1623 was published on 2004-10-22 and last updated on 2026-06-16.

CVE-2004-1623

CVE-2004-1623 is a medium-severity vulnerability in Microsoft Windows Xp with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Xp
Published: 2004-10-22
Last modified: 2026-06-16

Description

The WAV file property handler in Windows XP SP1 allows remote attackers to cause a denial of service (infinite loop in Explorer) via a WAV file with an invalid file header whose fmt chunk length is set to 0xFFFFFFFF.

Frequently asked questions

What is CVE-2004-1623?: The WAV file property handler in Windows XP SP1 allows remote attackers to cause a denial of service (infinite loop in Explorer) via a WAV file with an invalid file header whose fmt chunk length is set to 0xFFFFFFFF.
How severe is CVE-2004-1623?: CVE-2004-1623 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1623 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1623?: CVE-2004-1623 primarily affects Microsoft Windows Xp. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1623?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1623 published?: CVE-2004-1623 was published on 2004-10-22 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:o:microsoft:windows_xp:*:*:embedded:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp1:embedded:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:sp1:media_center:*:*:*:*:*

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