The Local Procedure Call (LPC) interface of the Windows Kernel for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the lengths of messages sent to the LPC port, which allows local users to gain privileges, aka "Windows Kernel Vulnerability."
Published Dec 15, 2004
7.2
HIGHCVSS 2.0
EPSS 1.53%
Description
The Local Procedure Call (LPC) interface of the Windows Kernel for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the lengths of messages sent to the LPC port, which allows local users to gain privileges, aka "Windows Kernel Vulnerability."
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
- datacenter_64-bit
- enterprise
- enterprise
- enterprise_64-bit
- enterprise_64-bit
- r2
- r2
- r2
- standard
- standard
- web
- web
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01534) | 73.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.52% (0.01522) | 71.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.02% (0.01018) | 75.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00045) | 17.83th | v3 (v2023.03.01) |
| May 22, 2024 | 0.04% (0.00045) | 15.16th | v3 (v2023.03.01) |
| Sep 15, 2023 | 0.05% (0.00046) | 13.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.43% (0.02428) | 81.58th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.43% (0.02428) | 79.82th | v2 (v2022.01.01) |
| Mar 13, 2022 | 2.43% (0.02428) | 59.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.23% (0.02227) | 58.09th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-044 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18339 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1321 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1561 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1581 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1886 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2008 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4021 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4458 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A450 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.