Unrated severityNVD Advisory· Published Apr 13, 2011· Updated Jun 16, 2026
CVE-2011-0661
CVE-2011-0661
Description
The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate fields in SMB requests, which allows remote attackers to execute arbitrary code via a malformed request in a (1) SMBv1 or (2) SMBv2 packet, aka "SMB Transaction Parsing Vulnerability."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*+ 7 more
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- (no CPE)range: multiple versions (XP SP2/SP3, Server 2003 SP2, Vista SP1/SP2, Server 2008 Gold/SP2/R2/R2 SP1, Windows 7 Gold/SP1)
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
8- www.us-cert.gov/cas/techalerts/TA11-102A.htmlnvdUS Government Resource
- osvdb.org/71781nvd
- secunia.com/advisories/44072nvd
- www.securityfocus.com/bid/47198nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2011/0939nvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-020nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12076nvd
News mentions
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