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Fencer Vulns
medium 4.7

CVE-2017-11831 json

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, 1…

published 2017-11-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3431

cvss
4.7
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-43165)

Exploit prediction

3.33% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-43165 Microsoft Windows 10 - 'nt!NtQueryDirectoryFile (luafv!LuafvCopyDirectoryEntry)' Pool Memory Disclosure dos, 2017-11-21

CVSS scores

assigned by version score vector
NVD 3.0 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N

Affected products

  • Microsoft Corporation Windows kernel

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.