CVE-2017-8564
Windows kernel in 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 an information disclosure vulnerability…
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 3.0%. Treat it as high on anything reachable from the internet.
Description
Windows kernel in 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 an information disclosure vulnerability when it fails to properly initialize a memory address, aka "Windows Kernel Information Disclosure Vulnerability".
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 3.02% probability · 87th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 18 July 2017
- CISA KEV
- Not listed
- Weakness
- CWE-200
- 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
- Source
- secure@microsoft.com
EPSS 3.0% 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/99428Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038853Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8564Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42338/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/99428Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038853Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8564Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42338/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.