CVE-2017-8591
Windows Input Method Editor (IME) in 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 an remote code execution vulnerability when it fails to properly handle objects in…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Windows Input Method Editor (IME) in 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 an remote code execution vulnerability when it fails to properly handle objects in memory, aka "Windows IME Remote Code Execution Vulnerability".
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.97% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 4.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/99430Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039097Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8591Patch, Vendor Advisory
- http://www.securityfocus.com/bid/99430Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039097Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8591Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.