Microsoft Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold and SP2, and Windows 7 RC do not properly process the command value in an SMB Multi-Protocol Negotiate Request packet, which allows remote attackers to execute arbitrary code via a crafted SMBv2 packet to the Server service, aka "SMBv2 Command Value Vulnerability."

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-2532
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6336
• http://www.us-cert.gov/cas/techalerts/TA09-286A.html