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Vulnerability record · CVE-2009-0568 · published 10 June 2009

CVE-2009-0568: Microsoft windows 2000 permissions and access controls vulnerability

Microsoft · Windows 2000

The RPC Marshalling Engine (aka NDR) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 SP2 does not properly maintain its internal state, which allows remote attackers to overwrite arbitrary memory locations via a crafted RPC message that triggers incorrect pointer reading, related to "IDL interfaces containing a non-conformant varying array" and FC_SMVARRAY, FC_LGVARRAY, FC_VARIABLE_REPEAT, and FC_VARIABLE_OFFSET, aka "RPC Marshalling Engine Vulnerability."

10.0 CVSS 2.0 High EPSS 32% · top 1.7% CWE-264 · Permissions and access controls
10.0CVSS 2.0 base score
32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

The RPC Marshalling Engine (aka NDR) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 SP2 does not properly maintain its internal state, which allows remote attackers to overwrite arbitrary memory locations via a crafted RPC message that triggers incorrect pointer reading, related to "IDL interfaces containing a non-conformant varying array" and FC_SMVARRAY, FC_LGVARRAY, FC_VARIABLE_REPEAT, and FC_VARIABLE_OFFSET, aka "RPC Marshalling Engine Vulnerability."

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

Affected products

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

References

LinkTags
http://blogs.technet.com/srd/archive/2009/06/09/ms09-026-how-a-developer-can-know-if-their-rpc-interface-is-affected.asp Vendor Advisory
http://osvdb.org/54936 Broken Link
http://www.securityfocus.com/bid/35219 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1022357 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-160A.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2009/1545 Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-026
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6227 Third Party Advisory
http://blogs.technet.com/srd/archive/2009/06/09/ms09-026-how-a-developer-can-know-if-their-rpc-interface-is-affected.asp Vendor Advisory
http://osvdb.org/54936 Broken Link
http://www.securityfocus.com/bid/35219 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1022357 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-160A.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2009/1545 Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-026
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6227 Third Party Advisory

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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-2009-0568), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.