SB2019081412 - Deletion of arbitrary files in Microsoft Defender



SB2019081412 - Deletion of arbitrary files in Microsoft Defender

Published: August 14, 2019

Security Bulletin ID SB2019081412
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-1161)

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.


Remediation

Install update from vendor's website.