CVE-2020-1471

Windows CloudExperienceHost Elevation of Privilege Vulnerability

At a glance

Severity
HIGH 7.3
EPSS
EPSS 1.21 % · percentile 68 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Modified

Description

<p>An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The security update addresses the vulnerability by checking COM objects.</p>

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:NNVD · secure@microsoft.com (Secondary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Secondary)
CVSS 2.0MEDIUM 4.6AV:L/AC:L/Au:N/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows 10 Version 1803affected 10.0.0 < publication
Microsoft · Windows 10 Version 1809affected 10.0.0 < publication
Microsoft · Windows Server 2019affected 10.0.0 < publication
Microsoft · Windows 10 Version 1909affected 10.0.0 < publication
Microsoft · Windows 10 Version 1709 for 32-bit Systemsaffected 10.0.0 < publication
Microsoft · Windows 10 Version 1709affected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for 32-bit Systemsaffected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for x64-based Systemsaffected 10.0.0 < publication
Microsoft · Windows 10 Version 1903 for ARM64-based Systemsaffected 10.0.0 < publication
Microsoft · Windows 10 Version 2004affected 10.0.0 < publication
Microsoft · Windows 10 Version 1507affected 10.0.0 < publication
Microsoft · Windows 10 Version 1607affected 10.0.0 < publication
Microsoft · Windows Server 2016affected 10.0.0 < publication

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD