CVE-2004-0893

What it is

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."

At a glance

Exploitability

Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.5% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2005-01-10 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:06 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.5% in the next 30 days (EPSS).
• Severity: 7.2 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2005-01-10 05:00 UTC

Last modified

2026-06-16 22:06 UTC

Exploit probability

1.5% · EPSS, next 30 days

Record status

Modified

Affected

• Microsoft Windows 2000
• Microsoft Windows 2003 Server datacenter_64-bit
• Microsoft Windows 2003 Server Enterprise
• Microsoft Windows 2003 Server enterprise_64-bit
• Microsoft Windows 2003 Server r2
• Microsoft Windows 2003 Server Standard
• Microsoft Windows 2003 Server Web
• Microsoft Windows Nt 4.0

Attack profile CVSS 2.0 · 7.2

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2004-0893.md and follow it. Check whether this project is affected by CVE-2004-0893. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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