Microsoft Windows

CVE-2020-1254

HIGH 7.8

At a glance

Source: NVD
EPSS: EPSS 0.88 % · percentile 59 (2026-10-29)
State: PUBLISHED
Published: 2020-06-09 19:43 UTC
Updated: 2024-08-04 06:31 UTC
Assigner: microsoft
NVD status: Modified

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Description

An elevation of privilege vulnerability exists when Windows Modules Installer Service improperly handles class object members.A locally authenticated attacker could run arbitrary code with elevated system privileges, aka 'Windows Modules Installer Service Elevation of Privilege Vulnerability'.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1254

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	HIGH 7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2020-12133
GCVE · GCVE-0-2020-1254

CERT-FR advisories

CERTFR-2020-AVI-362 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows	affected 10 Version 1803 for 32-bit Systems ; affected 10 Version 1803 for x64-based Systems ; affected 10 Version 1803 for ARM64-based Systems ; affected 10 Version 1809 for 32-bit Systems ; affected 10 Version 1809 for x64-based Systems ; affected 10 Version 1809 for ARM64-based Systems
Microsoft · Windows Server	affected version 1803 (Core Installation) ; affected 2019 ; affected 2019 (Core installation) ; affected 2016 ; affected 2016 (Core installation) ; affected 2008 for 32-bit Systems Service Pack 2
Microsoft · Windows 10 Version 1909 for 32-bit Systems	affected unspecified
Microsoft · Windows 10 Version 1909 for x64-based Systems	affected unspecified
Microsoft · Windows 10 Version 1909 for ARM64-based Systems	affected unspecified
Microsoft · Windows Server, version 1909 (Server Core installation)	affected unspecified
Microsoft · Windows 10 Version 1903 for 32-bit Systems	affected unspecified
Microsoft · Windows 10 Version 1903 for x64-based Systems	affected unspecified
Microsoft · Windows 10 Version 1903 for ARM64-based Systems	affected unspecified
Microsoft · Windows Server, version 1903 (Server Core installation)	affected unspecified
Microsoft · Windows 10 Version 2004 for ARM64-based Systems	affected unspecified
Microsoft · Windows 10 Version 2004 for x64-based Systems	affected unspecified
Microsoft · Windows Server, version 2004 (Server Core installation)	affected unspecified
Microsoft · Windows 10 Version 2004 for 32-bit Systems	affected unspecified

Sources

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

⚠️ Microsoft Windows