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.
Metrics
Affected Vendors & Products
References
History
Fri, 20 Feb 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | 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. |
Status: PUBLISHED
Assigner: microsoft
Published: 2019-08-14T20:55:03.000Z
Updated: 2024-08-04T18:06:31.818Z
Reserved: 2018-11-26T00:00:00.000Z
Link: CVE-2019-1161
No data.
Status : Modified
Published: 2019-08-14T21:15:15.580
Modified: 2026-02-20T21:18:37.027
Link: CVE-2019-1161
No data.