cbcvebase.
CVE-2017-8589
published 2017-07-11

CVE-2017-8589: Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and…

PriorityP265critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
26.16%
97.7th percentile
Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows a remote code execution vulnerability due to the way that Windows Search handles objects in memory, aka "Windows Search Remote Code Execution Vulnerability".

Affected

17 ranges
VendorProductVersion rangeFixed in
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_server_2008
microsoftwindows_server_2012
msrcwindows_10
msrcwindows_10_version_1511
msrcwindows_10_version_1607
msrcwindows_10_version_1703
msrcwindows_7
msrcwindows_8.1
msrcwindows_rt_8.1
msrcwindows_server_2008
msrcwindows_server_2008_r2
msrcwindows_server_2012
msrcwindows_server_2012_r2
msrcwindows_server_2016

Detection & IOCsextracted from sources · hover to see the quote

registryHKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\WSearch
  • Monitor for specially crafted SMB messages targeting the Windows Search service (WSearch); remote unauthenticated exploitation is possible over SMB from outside the network.
  • Prioritize detection on both servers and workstations; the vulnerability affects Windows Search service across Windows 7/8.1/10 and Windows Server 2008/2012/2016.
  • ·CVE-2017-8589 exploits Windows Search via SMB but is NOT a vulnerability in SMB itself; do not conflate with EternalBlue/WannaCry/Petya SMB detections.
  • ·At time of patch release, no in-the-wild exploitation was confirmed, but Microsoft rated exploitation as 'More Likely' for both latest and older software releases.

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
vendor_msrc9.8CRITICAL
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