CVE-2017-8471
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, and 1703, and Windows Server 2016 allow an authenticated attacker to run a specially crafted…
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 3.6%. Treat it as high on anything reachable from the internet.
Description
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, and 1703, and Windows Server 2016 allow an authenticated attacker to run a specially crafted application when the Windows kernel improperly initializes objects in memory, aka "Win32k Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8470, CVE-2017-8472, CVE-2017-8473, CVE-2017-8475, CVE-2017-8477, and CVE-2017-8484.
- CVSS 3.0
- 5.0 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 3.59% probability · 89th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 22 June 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 3.6% 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/98849Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038659Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8471Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42224/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/98849Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038659Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8471Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42224/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.