SB2020041415 - Privilege escalation in Microsoft Defender
Published: April 14, 2020
Security Bulletin ID
SB2020041415
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1002)
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.
Remediation
Install update from vendor's website.