CVE-2010-1734

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-05-05 · updated 2026-06-16
Weakness: CWE-20

Description

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.

Affected products

Microsoft Windows 2000: all versions
Microsoft Windows 2003 Server: all versions
Microsoft Windows Server 2003: all versions
Microsoft Windows XP Service Pack 3: sp3, sp3-unknown

References

http://secunia.com/advisories/39456
http://vigilance.fr/vulnerability/Windows-denials-of-service-of-win32k-sys-9607
http://www.securityfocus.com/archive/1/510886/100/0/threaded
http://www.securityfocus.com/bid/39631
http://secunia.com/advisories/39456
http://vigilance.fr/vulnerability/Windows-denials-of-service-of-win32k-sys-9607
http://www.securityfocus.com/archive/1/510886/100/0/threaded
http://www.securityfocus.com/bid/39631

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