Unrated severityNVD Advisory· Published Aug 10, 2011· Updated Jun 16, 2026
CVE-2011-1966
CVE-2011-1966
Description
The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle NAPTR queries that trigger recursive processing, which allows remote attackers to execute arbitrary code via a crafted query, aka "DNS NAPTR Query Vulnerability."
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*+ 3 more
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
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