Critical severity9.8NVD Advisory· Published Apr 13, 2011· Updated Jun 16, 2026
CVE-2011-0657
CVE-2011-0657
Description
DNSAPI.dll in the DNS client 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 process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19cpe: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_xp:*:sp2:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*
- 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/71780nvd
- secunia.com/advisories/44161nvd
- www.securityfocus.com/bid/47242nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2011/0948nvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11902nvd
News mentions
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