CVE-2017-11771

9.8 criticalEPSS 52%

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".

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 52% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2017-10-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows_10
microsoft:windows_7
microsoft:windows_8.1
microsoft:windows_rt_8.1
microsoft:windows_server_2008
microsoft:windows_server_2012
microsoft:windows_server_2016

References

http://www.securityfocus.com/bid/101114
http://www.securitytracker.com/id/1039538
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11771
http://www.securityfocus.com/bid/101114
http://www.securitytracker.com/id/1039538

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