CVE-2009-3676
HIGHEPSS 98th pctlDescription
The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka "SMB Client Incomplete Response Vulnerability."
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 98% of all known CVEs.
References
- http://blogs.technet.com/msrc/archive/2009/11/13/microsoft-security-advisory-977544-released.aspx
- http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.html
- http://news.cnet.com/8301-27080_3-10395891-245.html
- http://praetorianprefect.com/archives/2009/11/how-to-crash-windows-7-and-server-2008/
- http://seclists.org/fulldisclosure/2009/Nov/134
- http://secunia.com/advisories/37347
- http://secunia.com/blog/66/
- http://www.microsoft.com/technet/security/advisory/977544.mspx
- http://www.securitytracker.com/id?1023179
- http://www.us-cert.gov/cas/techalerts/TA10-103A.html
- http://www.vupen.com/english/advisories/2009/3216
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7186
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.