CVE-2004-0893
HighSummary
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.
Risk Assessment
An attacker with local access to the system can exploit this vulnerability to elevate privileges, potentially leading to full system compromise.
Recommendation
Apply the appropriate security patch provided by the vendor for the affected Windows versions immediately.
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- CVE-2026-79871Critical
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Original NVD description (English source)
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."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS