Microsoft Windows LPC Message memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Windows (Operating System) (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component LPC Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the Remote Procedure Call Subsystem (RPCSS) in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows local users to gain privileges via a crafted LPC message that requests an LRPC connection from an LPC server to a client, aka "LPC Message Buffer Overrun Vulnerability."

The weakness was disclosed 10/08/2010 by SkyLined with Google Inc. as MS10-084 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability was named CVE-2010-3222 since 09/03/2010. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 49961 (MS10-084: Vulnerability in Windows Local Procedure Call Could Cause Elevation of Privilege (2360937)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Upgrading eliminates this vulnerability. Applying the patch MS10-084 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (49961).






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 49961
Nessus Name: MS10-084: Vulnerability in Windows Local Procedure Call Could Cause Elevation of Privilege (2360937)
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OpenVAS ID: 902322
OpenVAS Name: Windows Local Procedure Call Privilege Elevation Vulnerability (2360937)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Patch: MS10-084


09/03/2010 🔍
10/08/2010 +35 days 🔍
10/11/2010 +3 days 🔍
10/12/2010 +0 days 🔍
10/12/2010 +0 days 🔍
10/12/2010 +0 days 🔍
10/12/2010 +0 days 🔍
10/13/2010 +1 days 🔍
10/13/2010 +0 days 🔍
10/13/2010 +0 days 🔍
10/19/2010 +6 days 🔍
03/18/2021 +3803 days 🔍



Advisory: MS10-084
Researcher: SkyLined
Organization: Google Inc.
Status: Confirmed

CVE: CVE-2010-3222 (🔍)

SecurityTracker: 1024553 - Windows LPC Buffer Overflow Lets Local Users Gain Elevated Privileges
Vulnerability Center: 27636 - [MS10-084] Microsoft Windows XP and Windows Server 2003 Local Privilege Elevation Vulnerability, High
SecurityFocus: 43777 - Microsoft Windows Remote Procedure Call Subsystem Local Privilege Escalation Vulnerability
Secunia: 41700 - Microsoft Windows LPC Message Handling Buffer Overflow Vulnerability, Less Critical
OSVDB: 68532 - Microsoft Windows rpcrt4.dll LRPC_SCALL::SendRequest() Function LPC Message Local Overflow DoS


Created: 10/19/2010 02:00 AM
Updated: 03/18/2021 11:43 AM
Changes: 10/19/2010 02:00 AM (86), 03/07/2017 09:48 AM (13), 03/18/2021 11:43 AM (3)
Complete: 🔍
Cache ID: 34:C33:40


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