CVE-2017-11831
Windows kernel in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Windows Server, version 1709 allows an attacker to log on to an…
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 3.3%. Treat it as high on anything reachable from the internet.
Description
Windows kernel in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Windows Server, version 1709 allows an attacker to log on to an affected system, and run a specially crafted application that can compromise the user's system due to how the Windows kernel initializes memory, aka "Windows Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11880.
- CVSS 3.0
- 4.7 MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 3.33% probability · 89th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 21 November 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 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 3.3% 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/101721Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039782Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11831Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/43165/Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/101721Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039782Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11831Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/43165/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.