Permissions, Privileges, and Access Controls in Microsoft products - CVE-2019-1161
Published: August 14, 2019
Vulnerability identifier: #VU20281
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1161
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists in the MpSigStub.exe for Defender that allows arbitrary file deletion. A local user can run a specially crafted command and delete protected files on the system.
Affected software
Microsoft Security Essentials
Windows Defender
Microsoft Forefront Endpoint Protection
Windows Defender
Microsoft Forefront Endpoint Protection
How to mitigate CVE-2019-1161
Install update from vendor's website.