Public vulnerability disclosure
CVE-2020-1002
CVE-2020-1002
published
An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Defender Elevation of Privilege Vulnerability'.
Technical severityUnscoredNo score in collected sources
Published2020-04-15Source updated 2026-11-02
Collected2026-11-022 attributed sources
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Microsoft Forefront Endpoint Protection Microsoft |
2010 (affected) | CNA: microsoft |
| Microsoft System Center Microsoft |
Endpoint Protection (affected) 2012 R2 Endpoint Protection (affected) 2012 Endpoint Protection (affected) |
CNA: microsoft |
| Microsoft Security Essentials Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1909 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1909 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1909 for ARM64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server, version 1909 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1803 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1803 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server, version 1803 (Server Core Installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1803 for ARM64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1809 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1809 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1809 for ARM64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2019 Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2019 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1709 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1709 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1709 for ARM64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1903 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1903 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1903 for ARM64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server, version 1903 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1607 for 32-bit Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 10 Version 1607 for x64-based Systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2016 Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2016 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 7 for 32-bit Systems Microsoft |
Service Pack 1 (affected) | CNA: microsoft |
| Windows Defender on Windows 7 for x64-based Systems Microsoft |
Service Pack 1 (affected) | CNA: microsoft |
| Windows Defender on Windows 8.1 for 32-bit systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows 8.1 for x64-based systems Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows RT 8.1 Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 for 32-bit Systems Microsoft |
Service Pack 2 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 for 32-bit Systems (Server Core installation) Microsoft |
Service Pack 2 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 for Itanium-Based Systems Microsoft |
Service Pack 2 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 R2 for Itanium-Based Systems Microsoft |
Service Pack 1 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 R2 for x64-based Systems Microsoft |
Service Pack 1 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2008 R2 for x64-based Systems (Server Core installation) Microsoft |
Service Pack 1 (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2012 Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2012 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2012 R2 Microsoft |
Version not specified (affected) | CNA: microsoft |
| Windows Defender on Windows Server 2012 R2 (Server Core installation) Microsoft |
Version not specified (affected) | CNA: microsoft |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002CNA: microsoft · x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1002ADP: CVE · x_refsource_MISC, x_transferred
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