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Vulnerability record · CVE-2009-1929 · published 12 August 2009

CVE-2009-1929: Microsoft windows 2003 server memory buffer overflow vulnerability

Microsoft · Windows 2003 Server

Heap-based buffer overflow in the Microsoft Terminal Services Client ActiveX control running RDP 6.1 on Windows XP SP2, Vista SP1 or SP2, or Server 2008 Gold or SP2; or 5.2 or 6.1 on Windows XP SP3; allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Remote Desktop Connection ActiveX Control Heap Overflow Vulnerability."

9.3 CVSS 2.0 High EPSS 35% · top 1.6% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the Microsoft Terminal Services Client ActiveX control running RDP 6.1 on Windows XP SP2, Vista SP1 or SP2, or Server 2008 Gold or SP2; or 5.2 or 6.1 on Windows XP SP3; allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Remote Desktop Connection ActiveX Control Heap Overflow Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/56912
http://secunia.com/advisories/36229 Vendor Advisory
http://www.securityfocus.com/bid/35973 Patch
http://www.securitytracker.com/id?1022709
http://www.us-cert.gov/cas/techalerts/TA09-223A.html US Government Resource
http://www.vupen.com/english/advisories/2009/2238 PatchVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-044
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6329
http://osvdb.org/56912
http://secunia.com/advisories/36229 Vendor Advisory
http://www.securityfocus.com/bid/35973 Patch
http://www.securitytracker.com/id?1022709
http://www.us-cert.gov/cas/techalerts/TA09-223A.html US Government Resource
http://www.vupen.com/english/advisories/2009/2238 PatchVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-044
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6329

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1929), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.