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
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'.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Forefront Endpoint Protection | 2010 |
| Microsoft | Microsoft System Center | Endpoint Protection, 2012 R2 Endpoint Protection, 2012 Endpoint Protection |
| Microsoft | Microsoft Security Essentials | unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1909 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1909 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1909 for ARM64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows Server, version 1909 (Server Core installation) | unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1803 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1803 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows Server, version 1803 (Server Core Installation) | unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1803 for ARM64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1809 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1809 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1809 for ARM64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows Server 2019 | unspecified |
| Microsoft | Windows Defender on Windows Server 2019 (Server Core installation) | unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1709 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1709 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1709 for ARM64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1903 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1903 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1903 for ARM64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows Server, version 1903 (Server Core installation) | unspecified |
| Microsoft | Windows Defender on Windows 10 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1607 for 32 | bit Systems — unspecified |
| Microsoft | Windows Defender on Windows 10 Version 1607 for x64 | based Systems — unspecified |
| Microsoft | Windows Defender on Windows Server 2016 | unspecified |
| Microsoft | Windows Defender on Windows Server 2016 (Server Core installation) | unspecified |
| Microsoft | Windows Defender on Windows 7 for 32 | bit Systems — Service Pack 1 |
| Microsoft | Windows Defender on Windows 7 for x64 | based Systems — Service Pack 1 |
| Microsoft | Windows Defender on Windows 8.1 for 32 | bit systems — unspecified |
| Microsoft | Windows Defender on Windows 8.1 for x64 | based systems — unspecified |
| Microsoft | Windows Defender on Windows RT 8.1 | unspecified |
| Microsoft | Windows Defender on Windows Server 2008 for 32 | bit Systems — Service Pack 2 |
| Microsoft | Windows Defender on Windows Server 2008 for 32 | bit Systems (Server Core installation) — Service Pack 2 |
| Microsoft | Windows Defender on Windows Server 2008 for Itanium | Based Systems — Service Pack 2 |
| Microsoft | Windows Defender on Windows Server 2008 R2 for Itanium | Based Systems — Service Pack 1 |
| Microsoft | Windows Defender on Windows Server 2008 R2 for x64 | based Systems — Service Pack 1 |
| Microsoft | Windows Defender on Windows Server 2008 R2 for x64 | based Systems (Server Core installation) — Service Pack 1 |
| Microsoft | Windows Defender on Windows Server 2012 | unspecified |
| Microsoft | Windows Defender on Windows Server 2012 (Server Core installation) | unspecified |
| Microsoft | Windows Defender on Windows Server 2012 R2 | unspecified |
| Microsoft | Windows Defender on Windows Server 2012 R2 (Server Core installation) | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.