Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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Summary

CVECVE-2020-17103
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-10 00:15:14 UTC
Updated2026-05-18 13:16:28 UTC
DescriptionWindows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.010060000 probability, percentile 0.772950000 (date 2026-05-25)

Problem Types: NVD-CWE-noinfo | CWE-269 | Elevation of Privilege | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 10 - All All All
Operating System Microsoft Windows 10 1803 All All All
Operating System Microsoft Windows 10 1809 All All All
Operating System Microsoft Windows 10 1903 All All All
Operating System Microsoft Windows 10 1909 All All All
Operating System Microsoft Windows 10 2004 All All All
Operating System Microsoft Windows 10 20h2 All All All
Operating System Microsoft Windows Server 2016 - All All All
Operating System Microsoft Windows Server 2016 1903 All All All
Operating System Microsoft Windows Server 2016 1909 All All All
Operating System Microsoft Windows Server 2016 2004 All All All
Operating System Microsoft Windows Server 2016 20h2 All All All
Operating System Microsoft Windows Server 2019 - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Windows 10 Version 20H2 affected 10.0.0 publication custom ARM64-based Systems, 32-bit Systems
CNA Microsoft Windows Server Version 20H2 affected 10.0.0 publication custom x64-based Systems
CNA Microsoft Windows 10 Version 1803 affected 10.0.0 publication custom 32-bit Systems, x64-based Systems, ARM64-based Systems
CNA Microsoft Windows 10 Version 1809 affected 10.0.17763.0 publication custom 32-bit Systems, x64-based Systems
CNA Microsoft Windows 10 Version 1809 affected 10.0.0 publication custom ARM64-based Systems
CNA Microsoft Windows Server 2019 affected 10.0.17763.0 publication custom x64-based Systems
CNA Microsoft Windows Server 2019 Server Core Installation affected 10.0.17763.0 publication custom x64-based Systems
CNA Microsoft Windows 10 Version 1909 affected 10.0.0 publication custom 32-bit Systems, x64-based Systems, ARM64-based Systems
CNA Microsoft Windows Server Version 1909 Server Core Installation affected 10.0.0 publication custom x64-based Systems
CNA Microsoft Windows 10 Version 1903 For 32-bit Systems affected 10.0.0 publication custom Unknown
CNA Microsoft Windows 10 Version 1903 For X64-based Systems affected 10.0.0 publication custom Unknown
CNA Microsoft Windows 10 Version 1903 For ARM64-based Systems affected 10.0.0 publication custom Unknown
CNA Microsoft Windows Server Version 1903 Server Core Installation affected 10.0.0 publication custom x64-based Systems
CNA Microsoft Windows 10 Version 2004 affected 10.0.0 publication custom 32-bit Systems, ARM64-based Systems, x64-based Systems
CNA Microsoft Windows Server Version 2004 affected 10.0.0 publication custom x64-based Systems

References

ReferenceSourceLinkTags
msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17103 [email protected] msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center af854a3a-2127-422b-91ae-364da2661108 portal.msrc.microsoft.com Patch, Vendor Advisory
github.com/Nightmare-Eclipse/MiniPlasma MITRE github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 91780 Microsoft Azure Stack Hub Security Updates - February 2021
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