Permissions, Privileges, and Access Controls in Microsoft products - CVE-2020-1002
Published: April 14, 2020
Vulnerability identifier: #VU26846
CSH Severity: Medium
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1002
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 due to the MpSigStub.exe for Defender allows file deletion in arbitrary locations. A local user can run a specially crafted command and delete protected files on an affected system once MpSigStub.exe ran again.
Affected software
Microsoft Security Essentials
Windows Defender
Microsoft Forefront Endpoint Protection
Windows Defender
Microsoft Forefront Endpoint Protection
How to mitigate CVE-2020-1002
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..