Is CVE-2010-1734 being actively exploited?

CVE-2010-1734 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-1734?

CVE-2010-1734 has a CVSS 2.0 base score of 4.9 (MEDIUM).

CVE-2010-1734

MEDIUM · CVSS 4.9EPSS 2.7%EU EUVD

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.

Key facts

CVSS score: 4.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 2.7% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-1754)
Published: May 6, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-1754 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2000
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows server 2003
microsoft / windows server 2003
microsoft / windows server 2003
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp

and 5 more…

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows XP Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 989 - historical
Windows XP Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 990 - historical
Microsoft Windows Server 2003 SP2 including R2, Standard, Enterprise, Datacenter, x64, and Itanium Editions; Windows XP Professional SP2 and x64 SP2; Windows XP Embedded SP2 - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10184-2008 - archived
Microsoft Windows 2003 and Microsoft Windows XP - Microsoft Corporation - Common Criteria CCEVS-VR-0131-2005 - archived

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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