CVE-2010-1734
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server...
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
Exploit likelihood
What each source reports
NVD Score used
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
- Record
CVE-2010-1734- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
- Record
CVE-2010-1734- Updated
- 2026-11-02
EUVDEUVD-2010-1754 No score
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
- Record
EUVD-2010-1754- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q94h-3hx2-w7q6 No score
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server...
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
- Record
GHSA-q94h-3hx2-w7q6- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows XP/2000/2003 - 'win32k.sys' SfnINSTRING Local kernel Denial of Service | 2010-04-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-1734 is a medium vulnerability (CVSS 4.9) in Microsoft Windows 2000, published May 5, 2010. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.66%, the 85th percentile. No source names a fixed version.