CVE-2011-1966
The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2011-1966- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2011-1966- Updated
- 2026-11-02
EUVDEUVD-2011-1960 No score
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."
- Record
EUVD-2011-1960- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-957w-cpvh-vjg7 No score
The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle...
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."
- Record
GHSA-957w-cpvh-vjg7- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1966 is a high vulnerability (CVSS 10.0) in Microsoft Windows Server 2008, published August 10, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 55.2%, the 99th percentile. No source names a fixed version.