Is CVE-2009-0568 being actively exploited?

CVE-2009-0568 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-0568?

CVE-2009-0568 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2009-0568

HIGH · CVSS 10.0EPSS 32.4%EU EUVD

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."

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-264
EPSS score: 32.4% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-0572)
Published: June 10, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0572 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 2003 server
microsoft / windows 2003 server
microsoft / windows 2003 server
microsoft / windows server
microsoft / windows server
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows vista
microsoft / windows vista
microsoft / windows vista
microsoft / windows vista
microsoft / windows vista
microsoft / windows xp
microsoft / windows xp
microsoft / windows xp

Certified products that may be affected

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

Microsoft Windows Server 2008 R2 Hyper-V Release 6.1.7600 - Microsoft Corporation - Common Criteria BSI-DSZ-CC-0755-2012 - archived
Microsoft Windows 7, Microsoft Windows Server 2008 R2 - Microsoft Corporation - Common Criteria CCEVS-VR-10390-2010 - archived
Windows Server 2008 R2 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1339 - historical
Windows Server 2008 R2 Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 1337 - historical
Microsoft Windows Server 2008 R2 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1335 - historical

See all 21 in the Security Certifications Explorer.

References

http://blogs.technet.com/srd/archive/2009/06/09/ms09-026-how-a-developer-can-know-if-their-rpc-interface-is-affected.aspx(Vendor Advisory)
http://osvdb.org/54936(Broken Link)
http://www.securityfocus.com/bid/35219(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1022357(Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA09-160A.html(Third Party Advisory, US 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)

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

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