CVE-2020-1254
An elevation of privilege vulnerability exists when Windows Modules Installer Service improperly...
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'.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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'.
- Record
CVE-2020-1254- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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'.
- Record
CVE-2020-1254- Updated
- 2026-11-02
EUVDEUVD-2020-12133 No score
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'.
- Record
EUVD-2020-12133- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cc65-vj4f-xm35 No score
An elevation of privilege vulnerability exists when Windows Modules Installer Service improperly...
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'.
- Record
GHSA-cc65-vj4f-xm35- Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows 10 version 1909 for 32-bit systems
- microsoft windows 10 version 1909 for arm64-based systems
- microsoft windows 10 version 1909 for x64-based systems
- microsoft windows 10 version 2004 for 32-bit systems
- microsoft windows 10 version 2004 for arm64-based systems
- microsoft windows 10 version 2004 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
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- microsoft windows server, version 1909 (server core installation)
- microsoft windows server, version 2004 (server core installation)
- microsoft windows 10
- microsoft windows 7
- microsoft windows 8.1
- microsoft windows rt 8.1
- microsoft windows server 2008
- microsoft windows server 2012
- microsoft windows server 2016
- microsoft windows server 2019
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1254 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published June 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.