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CVE-2017-11771
CRITICAL
The Microsoft Windows Search component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly handle DNS responses, aka "Windows Search Remote Code Execution Vulnerability".
Published: Oct 13, 2017
Modified: Jun 17, 2026
CWE-20
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (12)
| Vendor | Product | Version |
|---|---|---|
| microsoft | windows_10 | - |
| microsoft | windows_10 | 1511 |
| microsoft | windows_10 | 1607 |
| microsoft | windows_10 | 1703 |
| microsoft | windows_7 | * |
| microsoft | windows_8.1 | * |
| microsoft | windows_rt_8.1 | * |
| microsoft | windows_server_2008 | * |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | * |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | * |
GitHub Security Advisory GHSA-9vvc-6v43-39qc
The Microsoft Windows Search component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7...
References (6)
- http://www.securityfocus.com/bid/101114 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039538 Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11771 Patch, Vendor Advisory
- http://www.securityfocus.com/bid/101114 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039538 Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11771 Patch, Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
64.13%
Top 1% most likely to be exploited
Threat Score
58.4 / 100
Data Sources
NVD
EPSS
GitHub