Windows Defender
CVE-2019-1161
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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. An attacker could then run a specially crafted command that could exploit the vulnerability and delete protected files on an affected system once MpSigStub.exe ran again. The update addresses the vulnerability and blocks the arbitrary deletion.
AnalysisAI
An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity.
Technical ContextAI
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. An attacker could then run a specially crafted command that could exploit the vulnerability and delete protected files on an affected system once MpSigStub.exe ran again. The update addresses the vulnerability and blocks the arbitrary deletion. Affected products include: Microsoft Windows Defender, Microsoft Forefront Endpoint Protection 2010, Microsoft Security Essentials, Microsoft System Center Endpoint Protection.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Windows Defender
View allThe Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on 32-bit versions of Micr
A remote code execution vulnerability exists when the Microsoft Malware Protection Engine does not properly scan a speci
An elevation of privilege vulnerability exists in Windows Defender that leads arbitrary file deletion on the system.To e
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Serve
Microsoft Windows Defender Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is l
Same technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today